FM 4-20.116 Airdrop of Supplies and Equipment: Reference Data for Airdrop Platform Loads (MAY 2006) - page 1

 

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FM 4-20.116 Airdrop of Supplies and Equipment: Reference Data for Airdrop Platform Loads (MAY 2006) - page 1

 

 

*FM 4-20.116/TO 13C7-1-13
Field Manual
Headquarters
Department of the Army
No. 4-20.116
Department of the Air Force
Technical Order
Washington, DC, 10 May 2006
No. 13C7-1-13
Airdrop of Supplies and Equipment:
Reference Data for Airdrop Platform Loads
Contents
Page
PREFACE
viii
INTRODUCTION
ix
Chapter 1
REFERENCE TABLES
1-1
General
1-1
Textile Terminology
1-1
Chapter 2
RIGGED LOAD REFERENCE DATA
2-1
Section I - Introduction
2-1
General
2-1
Type V Platform
2-1
Combat-Expendable Platform
2-1
Maritime Cargo Aerial Delivery Systems Platform
2-1
Dual Row Airdrop Systems Platform
2-1
Section II -Low-Velocity Airdrop on Type V Platform
2-2
Section III - Low-Velocity Airdrop on Combat Expendable Platform
2-140
Section IV - Low-Velocity Airdrop on Maritime Aerial Delivery
System Platform
2-149
Section V - Low-Velocity Airdrop on Dual Row Airdrop System
Platform
2-150
Chapter 3
AIRLIFT CAPABILITIES
3-1
General
3-1
C-130 Hercules
3-1
C-17 Globemaster
3-1
GLOSSARY
Glossary-1
REFERENCES
References-1
Distribution Restriction: Approved for public release; distribution is unlimited.
*This publication supersedes FM 4-20.116/TO 13C7-1-13, 20 August 2001.
10 May 2006
FM 4-20.116/TO 13C7-1-13
i
Contents
Figures
Figure 2-1. One Military Utility Vehicle (M-Gator) Rigged on an 8-Foot Platform
2-2
Figure 2-2. Two Military Utility Vehicles (M-Gator) and Equipment Box Rigged on a
20-Foot Platform
2-3
Figure 2-3. One Military Utility Vehicle (M-Gator) and an A-22 Cargo Bag on a 12-
Foot Platform
2-4
Figure 2-4. M-Gator with First Response Expeditionary (FRE) Fire Vehicle on a 12-
Foot Platform
2-5
Figure 2-5. Bulk Supplies on an 8-Foot Platform
2-6
Figure 2-6. Bulk Supplies in A-22 Cargo Bags on an 8-Foot Platform
2-7
Figure 2-7. Bulk Supplies on a 12-Foot Platform
2-8
Figure 2-8. Forward Area Surgical Team (FAST) Equipment on a 12-Foot Platform
2-9
Figure 2-9. 105-mm Ammunition on a 16-Foot Platform
2-10
Figure 2-10.
155-mm Ammunition on a 16-Foot Platform
2-11
Figure 2-11.
20-mm Ammunition on a 16-Foot Platform
2-12
Figure 2-12.
Mass Supply Boxes on a 16-Foot Platform
2-13
Figure 2-13.
Mass Supply Boxes on a 20-Foot Platform
2-14
Figure 2-14.
Palletized Load System (PLS) Pallet with 105-mm Ammunition on a
24-Foot Platform
2-15
Figure 2-15.
PLS with A-22 Containers on a 24-Foot Platform
2-16
Figure 2-16.
155-mm Ammunition Modular Artillery Charge System (MACS) Rigged
on a 16-Foot Platform
2-17
Figure 2-17.
155-MM Ammunition (MACS PAC) Rigged on a 20-Foot Platform
2-18
Figure 2-18. 3/4-Ton Cargo Trailer
2-19
Figure 2-19. M998 Cargo/Troop Carrier
2-20
Figure 2-20.
M1025 Armament Carrier
2-21
Figure 2-21. M1025 Armament Carrier with Additional Accompanying Ammunition
Load on a 20-Foot Platform
2-22
Figure 2-22. M1025 Armament Carrier Rigged with Striker
2-23
Figure 2-23. M56 Smoke Generator Rigged in M1113
2-24
Figure 2-24. M1114-Up-Armament Carrier
2-25
Figure 2-25. M1151 Expanded Capacity Armament Carrier
2-26
Figure 2-26. Two M998 Trucks
2-27
Figure 2-27. Ground Mobility Vehicle
2-28
Figure 2-28. M102 Howitzer Rigged with 17 Boxes of Ammunition
2-29
Figure 2-29. M102 Howitzer Rigged with 23 Boxes of Ammunition
2-30
Figure 2-30. M102 Howitzer with 1 1/4-Ton Truck
2-31
Figure 2-31. M119 Howitzer Rigged with 30 Boxes of Ammunition
2-32
Figure 2-32. M119 Howitzer Rigged with 81-Millimeter Mortar
2-33
Figure 2-33. M119 Howitzer Rigged with 1 1/4-Ton Truck
2-34
ii
FM 4-20.116/TO 13C7-1-13
10 May 2006
Contents
Figure 2-34. Two M119 Howitzers
2-35
Figure 2-35. Two M119 Howitzers with Light Ammunition
2-36
Figure 2-36. Two M119 Howitzers Rigged with Two 81-mm Mortars
2-37
Figure 2-37. M101A1 Howitzer
2-38
Figure 2-38. Type 1 D-5B Tractor Dozer
2-39
Figure 2-39. John Deere 450G Lt Full-Tracked Bulldozer
2-40
Figure 2-40. Deployable Universal Combat Earthmover (DEUCE)
2-41
Figure 2-41. Three 250-Gallon Water Drums on an 8-Foot Platform
2-42
Figure 2-42. Three 250-Gallon Water Drums on a 12-Foot Platform
2-43
Figure 2-43. Mobile Microwave Landing System (MMLS) in an M998 and a 3/4-Ton
Trailer
2-44
Figure 2-44. Standard Integration Command Post System (SICPS) with the CHS-2
2-45
Figure 2-45. Command Assault Vehicle (CAV)
2-46
Figure 2-46. M998 Cargo/Troop Carrier (Two Seater) with GRC/206 Air Force Pallet
2-47
Figure 2-47. M998 Cargo/Troop Carrier (Four Seater) with GRC/206 Air Force Pallet
2-48
Figure 2-48.
S-318/G Shelter with AN/GRC-122 Communication Equipment
2-49
Figure 2-49.
S-502 Shelter with AN/GRC-142 Communications Equipment
2-50
Figure 2-50. PU-619M Power Unit
2-51
Figure 2-51. PU-620 Power Unit
2-52
Figure 2-52. M198 155-mm Howitzer
2-53
Figure 2-53. M198 155-mm Howitzer with Accompanying Ammunition
2-54
Figure 2-54. M198 155-mm Howitzer with MACS
2-55
Figure 2-55. Type 1 Towed Roller
2-56
Figure 2-56. M435 Towed Roller
2-57
Figure 2-57. 13-Wheeled Towed Roller
2-58
Figure 2-58. 11-Wheeled Towed Roller
2-59
Figure 2-59. MDG 96 Sheepsfoot Roller
2-60
Figure 2-60. Thirteen Wheel (Model PT-13) Towed Roller
2-61
Figure 2-61.
Vibratory Compactor (Model CS-433C)
2-62
Figure 2-62.
Vibratory Compactor (Model CS-433P)
2-63
Figure 2-63. M416 Trailer with Eight Tube-Launched, Optically Tracked, Wire-
Guided
(TOW) Missiles
2-64
Figure 2-64. TOW Missiles Rigged in A-22 Cargo Bags
2-65
Figure 2-65. TOW Missiles Rigged on a 12-Foot Platform
2-66
Figure 2-66. M966 TOW Carrier
2-67
Figure 2-67. M4K 4,000 Pound Capacity Forklift
2-68
Figure 2-68. M270 4,000 Pound Capacity Forklift
2-69
Figure 2-69. M271 4,000 Pound Capacity Forklift
2-70
Figure 2-70. 6,000 Pound Capacity Forklift
2-71
Figure 2-71. 1 1/2-Ton Trailer
2-72
Figure 2-72. M149A1 400-Gallon Water Trailer
2-73
10 May 2006
FM 4-20.116/TO 13C7-1-13
iii
Contents
Figure 2-73. M167A1 Gun
2-74
Figure 2-74. M167A2 Gun with 1 1/4-Ton Truck
2-75
Figure 2-75. Forward Area Refueling Equipment (FARE) with Two 500-Gallon Fuel
Drums
2-76
Figure 2-76. FARE Rigged in an M101A1 3/4-Ton Trailer
2-77
Figure 2-77.
FARE with Seven 500-Gallon Fuel Drums
2-78
Figure 2-78. 350-GPM Wheel-Mounted Pumping Assembly with Filter/Separator
2-79
Figure 2-79. Three 500-Gallon Drums with Pump and Separator
2-80
Figure 2-80. Four 500-Gallon Drums with Pump and Separator
2-81
Figure 2-81. Five 500-Gallon Drums with Pump and Separator
2-82
Figure 2-82. Six 500-Gallon Drums with Pump and Separator
2-83
Figure 2-83.
AAFARS with Three 500-Gallon Fuel Drums
2-84
Figure 2-84.
AAFARS with Four 500-Gallon Fuel Drums
2-85
Figure 2-85.
AAFARS with Five 500-Gallon Fuel Drums
2-86
Figure 2-86.
AAFARS with Six 500-Gallon Fuel Drums
2-87
Figure 2-87.
AAFARS with Seven 500-Gallon Fuel Drums
2-88
Figure 2-88.
Small Emplacement Excavator (SEE)
2-89
Figure 2-89. JD410 Tractor
2-90
Figure 2-90. Fifteen-Ton Tilt Bed Trailer
2-91
Figure 2-91.
Five-Bay, Single-Story, Medium Girder (Fixed) Bridge
2-92
Figure 2-92. Two-Bay Components for the Seven-Bay, Single-Story, Medium Girder
(Fixed) Bridge
2-93
Figure 2-93.
Mobile Over Snow Transport (MOST)
2-94
Figure 2-94. M1025 or M1026 Armament Carrier with Technical Defense Alert Radar
System (TDARS)
2-95
Figure 2-95. 120-mm Mortar and 1 1/4-Ton Truck
2-96
Figure 2-96. 1 1/4-Ton Truck with 120-mm Mortar
2-97
Figure 2-97. Koehring 7 1/2-Ton Crane
2-98
Figure 2-98. M998 1 1/4-Ton Truck with Six Stinger Weapon Systems
2-99
Figure 2-99. Avenger Air Defense Weapons System with Environmental Control Unit
(ECU) and M1097A2 Truck
2-100
Figure 2-100. Thirty-Six Dragon or Dragon II Missiles in One-Round Containers
2-101
Figure 2-101. Four Dragon or Dragon II Missiles in 15-Round Containers
2-102
Figure 2-102. Four A-22 Cargo Bags with Dragon or Dragon II Missiles in
One-Round Containers
2-103
Figure 2-103. Four Dragon or Dragon II Missiles in 15-Round Containers Rigged in
Four A-22 Cargo Slings
2-104
Figure 2-104. Thirty-Six Javelin Rounds as a Mass Supply Load
2-105
Figure 2-105. 1 1/2-Ton Ammunition Trailer
2-106
Figure 2-106. Mine Clearing Line Charge (MICLIC) on 2 1/2-ton Trailer
2-107
Figure 2-107. 600-GPH Reverse Osmosis Water Purification Unit (ROWPU)
2-108
Figure 2-108. Lightweight Water Purifier (LWP)
2-109
Figure 2-109. Whole Blood
2-110
iv
FM 4-20.116/TO 13C7-1-13
10 May 2006
Contents
Figure
2-110.
Two Drums without Pumping Assembly
2-111
Figure
2-111.
Three Drums without Pumping Assembly
2-112
Figure
2-112.
Three Drums with Pumping Assembly
2-113
Figure
2-113.
Four Drums without Pumping Assembly
2-114
Figure
2-114.
Five Drums without Pumping Assembly
2-115
Figure
2-115.
Six Drums without Pumping Assembly
2-116
Figure
2-116.
Six Drums with Pumping Assembly
2-117
Figure
2-117.
Seven Drums without Pumping Assembly
2-118
Figure
2-118.
Seven Drums with Pumping Assembly
2-119
Figure
2-119.
M996 2-Litter Armored Ambulance
2-120
Figure
2-120.
M997 4-Litter Ambulance
2-121
Figure
2-121.
IC45 Crawler Carrier
2-122
Figure
2-122.
M973A 1 1/2-Ton Cargo Carrier Small Unit Support Vehicle (SUSV)
2-123
Figure
2-123.
Ingersol-Rand Model 250-CFM Trailer-Mounted Air Compressor
2-124
Figure
2-124.
M1081 2 1/2-Ton Cargo Truck
2-125
Figure
2-125.
M1081 2 1/2-Ton Cargo Truck with Accompanying Load
2-126
Figure
2-126.
M1093 5-Ton 6x6 Standard Cargo Truck
2-127
Figure
2-127.
M1094, 5-Ton Dump Truck
2-128
Figure
2-128.
M-1095, 5-Ton Trailer
2-129
Figure
2-129.
130G Motor Grader
2-130
Figure
2-130.
950B Scoop Loader
2-131
Figure
2-131.
950B Scoop Loader with Five-Foot Forklift Attachment
2-132
Figure
2-132.
950B Scoop Loader with Seven-Foot Forklift Attachment
2-133
Figure
2-133.
613WD Water Distributor
2-134
Figure
2-134.
613S Type I Scraper
2-135
Figure
2-135.
Rapid Runway Repair (RRR) Kit on 24-Foot Platform
2-136
Figure
2-136.
Rapid Runway Repair (RRR) Kit on 20-Foot Platform
2-137
Figure
2-137.
Rapid Runway Repair (RRR) Kit-ALPHA
2-138
Figure
2-138.
Trailer-Mounted Engineer Electrical Tool Outfit
2-139
Figure
2-139.
Zodiac Mark III Rubber Raiding Craft
2-140
Figure
2-140.
Zodiac Mark III Futura Rubber Raiding Craft
2-141
Figure
2-141.
Z-Bird Rubber Raiding Craft
2-142
Figure
2-142.
Zodiac K40 Rubber Raiding Craft
2-143
Figure
2-143.
Zodiac K50 Rubber Raiding Craft
2-144
Figure
2-144.
Double Zodiac F470U Boat
2-145
Figure
2-145.
One Motorcycle
2-146
Figure
2-146.
Two Motorcycles
2-147
Figure
2-147.
Four Wheeled Quad-Runner
2-148
Figure
2-148.
Naval Special Warfare Rigid Inflatable Boat (NSW RIB)
2-149
Figure
2-149.
M998/M1038/M1097 Cargo/Troop Carriers
2-150
Figure
2-150.
M1097 Variant Cargo/Troop Carrier
2-151
10 May 2006
FM 4-20.116/TO 13C7-1-13
v
Contents
Figure 2-151. M1025 Armament Carrier
2-152
Figure 2-152. M1121 TOW Carrier
2-153
Figure 2-153. M1114 Up-Armored HMMWV
2-154
Figure 2-154. M119 105-mm Howitzer
2-155
Figure 2-155. M101A1/M101A2 3/4-Ton Cargo Trailer
2-156
Figure 2-156. T-200 Bobcat Compact Track Loader
2-157
Figure 2-157. T-200 Bobcat Compact Track Loader Accessory Load
2-158
Figure 2-158. Javelin (Metal) Containers
2-159
Figure 2-159. Javelin (Plastic) Containers
2-160
Figure 2-160. 105-mm Ammunition Mass Supply Load
2-161
Figure 2-161. M-Gator with Accompanying Load
2-162
Tables
Table
1-1. Chains
1-1
Table
1-2. Cloth, Duck, Cotton, Type III- Army Duck
1-2
Table
1-3. Cloth, Duck, Nylon
1-2
Table
1-4. Cloth, Duck, Nylon, Parachute Packs
1-2
Table
1-5. Cloth, Muslin, Cotton
1-2
Table
1-6. Cloth, Muslin, Cotton (Parachute Canopy)
1-2
Table
1-7. Cloth, Nylon Parachute Cargo
1-3
Table
1-8. Cloth, Parachute, Nylon, Cargo, and Deceleration
1-3
Table
1-9. Cloth, Parachute, Nylon
1-3
Table
1-10. Cloth Sateen, Cotton
1-3
Table
1-11. Cord, Nylon
1-3
Table
1-12. Cord, Nylon, Coreless
1-4
Table
1-13. Cord, Elastic, Exerciser and Shock Absorber for Aeronautical Use
1-4
Table
1-14. Cord, Rayon, without Core, Braided
1-5
Table
1-15. Cord, Cotton, General-Purpose, Type I
1-5
Table
1-16. Felt Sheet, Polyester, Needle Punched
1-5
Table
1-17. Grommet, Metallic
1-6
Table
1-18. Lumber
1-10
Table
1-19. Nails
1-12
Table
1-20. Parachute, Cargo
1-14
Table
1-21. Parachute, Cargo Extraction
1-14
Table
1-22. Platform, Cargo Airdrop, Type V
1-15
Table
1-23. Platform, Dual Row Airdrop System
1-15
Table
1-24. Plywood, Flat Panel
1-15
Table
1-25. Tape, Nylon, Parachute
1-16
Table
1-26. Type XXVI, Sling, Cargo, Airdrop
1-16
Table
1-27. Sling, Endless
1-16
vi
FM 4-20.116/TO 13C7-1-13
10 May 2006
Contents
Table 1-28. Tape, Textile, Cotton, General-Purpose
1-17
Table 1-29. Tape, Textile, Nylon
1-17
Table 1-30. Tape and Webbing, Textile, Rayon
1-18
Table 1-31. Tape, Textile and Webbing, Textile, Reinforcing, Nylon
1-18
Table 1-32. Tape and Webbing, Textile, Cotton Reinforcing, Woven
1-19
Table 1-33. Thread, Nylon
1-20
Table 1-34. Thread, Cotton
1-21
Table 1-35. Webbing, Textile, Woven Nylon
1-22
Table 1-36. Webbing, Textile, Nylon - Universal Static Line
1-22
Table 1-37. Webbing Nylon, Tube Edge Construction
1-23
Table 1-38. Webbing, Textile, Nylon, Tubular
1-23
Table 1-39. Webbing, Textile, Cotton, Warp
1-24
Table 1-40. Webbing, Textile, Elastic, Cotton
1-24
Table 1-41. Webbing, Textile, Cotton, General-Purpose
1-25
Table 1-42. Wire Strand (6 x 19)
1-26
Table 1-43. Wire Strand, Steel (Corrosion Resistant), Preformed (Aircraft
Application)
1-26
Table 1-44. Miscellaneous Hardware and Equipment
1-27
10 May 2006
FM 4-20.116/TO 13C7-1-13
vii
Preface
SCOPE
This manual provides a ready-reference planning guide for loads rigged for airdrop. It illustrates the rigged
load and contains dimensional data, weight, and center of balance (CB) for each load. Information is also
provided on aircraft, extraction parachutes and reference tables of miscellaneous information on materials used
to fabricate and maintain air items and to rig airdrop equipment.
USER INFORMATION
The proponent of this publication is United States Army Training and Doctrine Command (TRADOC). You are
encouraged to report any errors or omissions and to suggest ways of making this a better manual.
Army personnel, send your comments on DA Form 2028 (Recommended Changes to Publications and Blank
Forms) directly to:
Director
Aerial Delivery and Field Services Department
USA Quartermaster Center and School
710 Adams Avenue
Fort Lee, Virginia 23801-1502
Air Force personnel, send your reports on AFTO Form 22 through your respective command Weapons and
Tactics to:
Headquarters
Air Mobility Command (AMC/A39T)
402 Scott Drive, Unit 3AI
Scott AFB, Illinois 62225-5302
Air Force personnel in Special Operations Command, send your reports on AFTO Form 22. HQ AMC/A39T
will consolidate and forward changes to:
Director
Aerial Delivery and Field Services Department
USA Quartermaster Center and School
710 Adams Avenue
Fort Lee, Virginia 23801-1502
Also send an information copy of AFTO Form 22 to:
WR-ALC/LEET
295 Byron Street
Robins AFB, Georgia 31098-1611
This publication applies to the Active Army, the Army National Guard/Army National Guard of the United
States, and the United States Army Reserve unless otherwise stated.
Unless this publication states otherwise, masculine nouns and pronouns do not refer exclusively to the male
gender.
10 May 2006
FM 4-20.116/TO 13C7-1-13
viii
Introduction
GENERAL
The information in this manual may be used to compute aircraft requirements and to assist the rigger and
loadmaster during joint inspection of airdrop loads. The publication containing the procedure for preparing
and rigging each load is indicated with the data for the load.
SPECIAL CONSIDERATIONS
The special considerations applicable to the specific loads are given in the appropriate field manual/
technical order.
10 May 2006
FM 4-20.116/TO 13C7-1-13
ix
Chapter 1
Reference Tables
GENERAL
1-1. This chapter contains reference tables of miscellaneous information on materials used to fabricate
and maintain air items and to rig airdrop equipment. If detailed information, other than that listed in these
tables, is required on specific materials, the DOD Index of Specifications and Standards should be
consulted.
TEXTILE TERMINOLOGY
1-2. The textile products listed in this chapter are defined as follows:
Cord. Cord is a fibrous, braided, cordage item of any diameter.
Tape. Tape is a narrow fabric, woven or knitted, produced in widths up to and including 8 inches
and in weights up to but not including 0.42 ounces per linear yard of 1-inch width.
Thread. Thread is a thin, twisted, smooth strand or filament of vegetable, animal, mineral, or
synthetic material, spun out to considerable length, used mainly for hand sewing and machine
sewing. The use of thread is determined by a letter or numerical designation which is
synonymous.
Webbing. Webbing is a narrow fabric, woven or knitted, produced in widths up to and including
12 inches and in weights of 0.42 ounces or over per linear yard of 1-inch width.
Table 1-1. Chains
Safe working load (lb)
Size
Weight
Common iron
High-grade
(in)
(lb per lin ft)
Soft steel
Special steel
iron
1/4
0.8
512
563
619
1240
3/8
1.7
1,350
1,490
1,650
3,200
1/2
2.5
2,250
2,480
2,630
5,250
5/8
4.3
3,470
3,810
4,230
7,600
3/4
5.8
5,070
5,580
6,000
10,500
7/8
8.0
7,000
7,700
8,250
14,330
1
10.7
9,300
10,230
10,600
18,200
1 1/8
12.5
9,871
10,858
11,944
21,500
1 3/8
18.3
14,717
16,188
17,807
32,051
10 May 2006
FM 4-20.116/TO 13C7-1-13
1-1
Chapter 1
Table 1-2. Cloth, Duck, Cotton, Type III- Army Duck
Weight, min (oz per yd)
Breaking strength min (lb)
Warp
Fill
8.25
125
120
9.85
160
110
12.30
210
130
14.80
235
175
18.50
315
200
Table 1-3. Cloth, Duck, Nylon
Weight
Yarns per in
Breaking strength (lb)
Tearing strength (lb)
(oz per sq yd)
Warp
Fill
Warp
Fill
Warp
Fill
18.5
62
60
1,100
1,100
135
135
Table 1-4. Cloth, Duck, Nylon, Parachute Packs
Type
Weight (oz per
Breaking strength (lb)
Tearing strength (lb)
sq yd)
Warp
Fill
Warp
Fill
I
9.50
400
300
35
45
II
8.75
400
150
35
20
III
7.25
325
275
20
20
Table 1-5. Cloth, Muslin, Cotton
Yarns per in, min
Breaking
Weight, min
Type
strength, min (lb)
Description
(oz per sq yd)
Warp
Fill
Warp
Fill
I
2.4
64
54
37
26
Type I: Natural
II
2.7
68
62
38
28
Type II: Bleached or dyed
III
2.8
68
66
40
30
Type III: Bleached or dyed
pre-shrunk
Table 1-6. Cloth, Muslin, Cotton (Parachute Canopy)
Weight,
Breaking
Tearing strength,
Air permeability (cu
Yarns per in, min
Type
min (oz
strength, min (lb)
min (lb)
ft min per sq ft)
per sq yd)
Warp
Fill
Warp
Fill
Warp
Fill
Min
Max
II
3.5
54
56
48
42
3.0
2.5
170
230
III
3.6
56
58
48
45
3.0
2.5
130
190
1-2
FM 4-20.116/TO 13C7-1-13
10 May 2006
Reference Tables
Table 1-7. Cloth, Nylon Parachute Cargo
Weight, max
Breaking strength, min (lb)
Type
(oz per sq yd)
Warp
Fill
I
2.25
85
85
II
3.50
135
135
Table 1-8. Cloth, Parachute, Nylon, Cargo, and Deceleration
Weight, max
Breaking strength, min (lb)
Tearing strength, min (lb)
Thickness,
Type
(oz per sq
min (in)
Warp
Fill
Warp
Fill
yd)
I
4.75
.020
200
200
15
15
II
7.00
.024
300
300
20
20
IIa
10.50
.025
500
500
75
75
III
14.00
.035
600
600
75
75
Table 1-9. Cloth, Parachute, Nylon
Type
Weight,
Thickness,
Breaking
Tearing strength,
max (oz
min (in)
strength, min (lb)
min (lb)
Note
per sq yd)
Warp
Fill
Warp
Fill
I
1.1
.003
42
42
5
5
Type I: Rip-stop weave
II
1.6
.004
50
50
5
5
Type II: Twill weave
III
1.6
.004
50
50
5
5
Type III: Rip-stop weave
Table 1-10. Cloth Sateen, Cotton
Weight, max
Breaking strength,
Tearing strength,
Type
(oz per sq
min (lb)
min (lb)
Note
yd)
Warp
Fill
Warp
Fill
1
9.0
85
48
115
100
Class 1: Dyed
2
9.0
85
48
100
90
Class 2: White
Table 1-11. Cord, Nylon
Type
Breaking
Elongation,
Weight, min
Note
strength, min (lb)
min (%)
(ft per lb)
I
95
30
950
IA
100
30
1050
II
400
30
260
One black thread
IIA
225
30
495
in sleeve
III
550
30
225
IV
750
30
165
10 May 2006
FM 4-20.116/TO 13C7-1-13
1-3
Chapter 1
Table 1-12. Cord, Nylon, Coreless
Breaking strength,
Length, min
Type
min (lb)
(ft per lb)
I
400
330
IA
400
330
II
550
255
III
750
150
IIIA
800
175
IV
1,000
120
V
1,500
90
VI
2,000
60
VII
2,500
45
VIII
3,000
36
XI
300
480
IV*
1,000
120
*This is a class F cord and is treated with fluorocarbon finish.
Note. Types IX, X, XII through XXII have been removed from manual.
Table 1-13. Cord, Elastic, Exerciser and Shock Absorber for Aeronautical Use
Diameter
Load for 100%
Breaking
Weight (lb
Type
Note
(in)
elongation (lb)
strength (lb)
per 100 ft)
I
1/4
16-28
120
2.4
Straight cord with
double-braided cover
3/8
90-150
300
5.5
(shock-absorber)
1/2
175-250
400
9.0
5/8
250-350
500
14
3/4
400-650
1,000
22
II
1/4
32-56
Endless ring (Bungee)
with double-braided
3/8
180-300
cover (shock-absorber)
7/16
260-400
1/2
350-500
9/16
425-600
5/8
500-700
11/16
650-850
3/4
800-1,300
13/16
1,100-1500
III
3/16
6-10
45
1.3
Straight cord with
single-braided cover
5/16
8-15
75
3.1
(exerciser)
1-4
FM 4-20.116/TO 13C7-1-13
10 May 2006
Reference Tables
Table 1-14. Cord, Rayon, without Core, Braided
Type
Length, min
Breaking strength,
Elongation,
(ft per lb)
min (lb)
min (%)
I
126
400
14
II
60
1,000
12
III
39
1,500
Table 1-15. Cord, Cotton, General-Purpose, Type I
Breaking
Linear Density, Max
Diameter
Size
strength,
(lbs/100ft)
Notes
(in)
min (lb)
Class 1
Class 2 and 3
Classification Types:
4
1/8
100
0.50
0.60
I-General purpose cord
5
5/32
160
1.00
1.20
II-Sash cord
6
3/16
240
1.50
1.80
III-Venetian blind cord
7
7/32
300
1.85
2.20
IV-Special purpose cord
8
1/4
370
2.25
2.70
Classes:
10
5/16
560
3.70
4.25
1-Natural
12
3/8
720
5.00
5.90
2-Polished finish
3-Water and mildew resistant
finish
Table 1-16. Felt Sheet, Polyester, Needle Punched
Breaking
Splitting
Breaking
Splitting
strength,
resistance
Weight,
Weight,
strength,
resistance
Thickness
Thickness,
cross
cross
min
max
machine
machine
min (in)
max (in)
machine
machine
(oz/sq yd)
(oz/sq yd)
direction
direction
direction
direction
(lb)
(lb)
(lb)
(lb)
33
40
0.265
0.335
390
580
29
33
10 May 2006
FM 4-20.116/TO 13C7-1-13
1-5
Chapter 1
Table 1-17. Grommet, Metallic
A-Type I, Plain Grommet with Plain Washer
Plain Grommet
Nominal
Tolerances
ID end
OD under
Diameter of
Height
Thickness
thickness
Size
(plus or
of bbl
head
head
overall
of head
of basic
minus)
metal
00
.176
.218
.425
.170
.035
.005
.009
0
.240
.290
.545
.210
.035
.005
.011
1
.286
.375
.687
.220
.035
.005
.0126
1-J
.298
.375
.680
.295
.032
.005
.0126
2
.362
.475
.815
.250
.035
.005
.0126
2-J
.395
.490
.840
.295
.035
.005
.016
3
.433
.545
.970
.345
.050
.005
.014
4
.486
.630
1.050
.420
.046
.005
.016
5
.594
.785
1.220
.375
.045
.0075
.016
6
.810
.885
1.750
.312
.080
.0075
.0201
Plain Washer
Diameter of
Tolerances (plus or
Nominal thickness of
OD of Washer
Height Overall
hole
minus)
basic metal
.218
.460
.029
.005
.009
.286
.546
.030
.005
.010
.359
.700
.041
.005
.0126
.453
.835
.045
.005
.0126
.530
.955
.050
.005
.013
.585
1.062
.050
.005
.013
.740
1.205
.055
.0075
.0135
.875
1.828
.070
.0075
.0201
1-6
FM 4-20.116/TO 13C7-1-13
10 May 2006
Reference Tables
Table 1-17. Grommet, Metallic (Continued)
B-Type II, Plain Grommet with Plain Washer
Plain Grommet
Nominal
Tolerances
ID end
OD under
Diameter of
Height
Thickness
thickness
Size
(plus or
of bbl
head
head
overall
of head
of basic
minus)
metal
00
.176
.218
.425
.170
.035
.005
.009
0
.240
.290
.545
.210
.035
.005
.011
1
.286
.375
.687
.220
.035
.005
.0126
1-J
.298
.375
.680
.295
.032
.005
.0126
2
.362
.475
.815
.250
.035
.005
.0126
2-J
.395
.490
.840
.295
.035
.005
.016
3
.433
.545
.970
.345
.050
.005
.014
4
.486
.630
1.050
.420
.046
.005
.016
5
.594
.785
1.220
.375
.045
.0075
.016
6
.810
.885
1.750
.312
.080
.0075
.0201
Toothed Washer
Diameter of
OD of
Height
Thickness of
Tolerances (plus or
Nominal thickness
hole
Washer
Overall
head
minus)
of basic metal
.290
.570
.125
.035
.005
.0115
.350
.680
.140
.040
.005
.014
.468
.840
.180
.040
.005
.0126
.545
.945
.180
.040
.005
.0126
.593
1.050
.250
.045
.005
.018
.720
1.190
.288
.050
.0075
.017
10 May 2006
FM 4-20.116/TO 13C7-1-13
1-7
Chapter 1
Table 1-17. Grommet, Metallic (Continued)
C-Type III, Rolled Rim Grommet with Spur Washer
Rolled Rim Grommet
Tolerance
Nominal
ID
OD
Diameter
Height
Thickness
(plus or
thickness
See
Size
end
under
of head
overall
of head
minus)
of basic
Note
of bbl
head
metal
0
.270
.375
.670
.235
.600
.005
.016
1
1
.380
.480
.790
.270
.065
.005
.016
1
2
.425
.532
.890
.325
.070
.005
.019
1
3
.430
.545
.970
.330
.075
.005
.020
2
4
.560
.695
1.120
.400
.080
.005
.020
3
5
.600
.800
1.285
.465
.085
.0075
.021
4
6
.735
.935
1.535
.510
.090
.0075
.0253
4
7
.883
1.080
1.725
.536
.090
.0075
.020
4
8
1.040
1.300
1.865
.555
.090
.0075
.0253
5
Notes. 1. Washers have one row of 6 teeth.
2. Washers have one row of 7 teeth.
3. Washers have one row of 8 teeth.
4. Washers have two rows of 9 teeth each.
5. Washers have two rows of 20 teeth each.
Spur Washer
Nominal
Diameter
OD of
Height
Thickness of
Tolerances (plus or
thickness of
of hole
Washer
Overall
head
minus)
basic metal
.345
.645
.150
.060
.005
.016
.455
.790
.150
.065
.005
.016
.512
.890
.156
.070
.005
.020
.537
.970
.190
.075
.005
.020
.645
1.120
.205
.080
.005
.020
.777
1.270
.225
.085
.0075
.021
.875
1.505
.225
.090
.0075
.0253
1.062
1.725
.225
.090
.0075
.020
1.195
1.910
.240
.090
.0075
.020
1-8
FM 4-20.116/TO 13C7-1-13
10 May 2006
Reference Tables
Table 1-17. Grommet, Metallic (Continued)
D-Oblong Grommet with Flat Washer
Oblong Grommet
Width
Length
Width of
Width of
Height
Length
Corner
under
under
Length overall
hole
head
overall
of hole
radius
head
head
.01875
0.221
0.406
0.235
1.24
1.284
1.470
0.03125
+.000
+.000
+.005
+.005
+.000
+.003
+.005
+.003
-.002
-.003
-
-
-.002
-
-
-
Flat Washer
Nominal
basic-
Width
Width of
Length
Length of hole
Nominal thickness of basic metal
metal
of hole
washer
overall
thickness
0.013
0.25
0.4375
1.312
1.50
+.003
+.003
+.003
+.003
0.0201
-
-
-
-
E- Type V Oblong Grommet with Raised Washer
Type V Oblong Grommet
Width
Length
Width
Width of
Height
Length
Length
Corner
Size
under
under
of hole
head
overall
of hole
overall
radius
head
head
1
0.290
0.395
0.915
0.360
1.406
1.515
2.015
0.03125
(3/8 x 1 1/2)
+.000
+.005
+.005
+.005
+.000
+.002
+.005
+.003
-.002
-
-
-
-.002
-
-
-
2
.175
.249
.665
.245
.830
.910
1.315
.0468
(5/16 x 1)
+.000
+.003
+.005
+.005
+.000
+.002
+.005
+.003
-.002
-
-
-
-.002
-
-
-
Raised Washer
Nominal
thickness
Width
Width of
Height
Length
Length
Corner
Nominal thickness of
of basic
of hole
washer
overall
of hole
overall
radius
basic metal
metal
0.028
0.420
0.915
0.125
1.532
2.010
0.03215
0.028
+.003
+.003
+.003
+.003
+.003
+.003
+.003
-
-
-
-
-
-
0.0201
0.275
0.625
0.100
0.950
1.290
0.156
0.0201
+.003
+.003
+.003
+.003
+.003
+.003
-
-
-
-
-
10 May 2006
FM 4-20.116/TO 13C7-1-13
1-9
Chapter 1
Table 1-17. Grommet, Metallic (Continued)
F-Type VIII Eyelet Grommet with Ring
Type VIII eyelet grommet
Ring
Weight per
“A” diameter
Weight per gross
“A”
Size
gross (approx)
after insertion
Size
(approx)
diameter (in)
(oz*)
(in)
(lb)
(oz)
6
30
0.750
6
3
7
1.000
8
36
0.825
8
7
6
1.250
10
70
1.250
10
10
5
1.500
11
84
1.500
11
16
14
1.750
15
150
2.000
15
39
14
2.250
*Brass grommet only
Table 1-18. Lumber
A- Minimum Dressed Sizes of Board (up to 2 inches thick)
Thickness (in)
Face widths (in)
Minimum size dressed
Minimum size dressed
Size ordered
Seasoned
Unseasoned
Size ordered
Seasoned
Unseasoned
1
3/4
25/32
2
1 1/2
1 9/16
1 1/4
1
1 1/32
3
2 9/16
2 5/8
1 1/2
1 1/4
1 9/32
4
3 9/16
2 5/8
5
4 1/2
4 5/8
6
5 1/2
5 5/8
7
6 1/2
6 5/8
8
7 1/2
7 5/8
9
8 1/2
8 3/4
10
9 1/2
9 3/4
11
10 1/2
10 3/4
12
11 1/2
11 3/4
14
13 1/2
13 3/4
16
15 1/2
15 3/4
2
1 1/2
1 9/16
2
1 1/2
1 9/16
3
2 9/16
2 5/8
4
3 9/16
2 5/8
5
4 1/2
4 5/8
6
5 1/2
5 5/8
7
6 1/2
6 5/8
8
7 1/2
7 5/8
9
8 1/2
8 3/4
10
9 1/2
9 3/4
11
10 1/2
10 3/4
12
11 1/2
11 3/4
14
13 1/2
13 3/4
16
15 1/2
15 3/4
1-10
FM 4-20.116/TO 13C7-1-13
10 May 2006
Reference Tables
Table 1-18. Lumber (Continued)
B- Minimum Dressed Sizes of Boards (over 2 inches thick) and Timbers
Thickness (in)
Face Widths (in)
Minimum size
Minimum size
Items
dressed
dressed
Size ordered
Size ordered
seasoned or
seasoned or
Unseasoned
Unseasoned
Boards
2 1/2
2 1/8
3
2 5/8
3
2 1/8
4
3 5/8
3 1/2
3 1/8
6
5 1/2
4
3 5/8
8
7 1/2
10
9 1/2
12
11 1/2
14
13 1/2
16
15 1/2
Timbers
5 and thicker
1/2 off
5 and thicker
1/2 off
C- Finished Dressed Sizes of Seasoned Worked Lumber
Thickness (in)
Face widths (in)
Size ordered
Minimum size dressed
Size ordered
Minimum size dressed
3/8
5/16
2
1 1/2
1/2
7/16
3
2 9/16
5/8
9/16
4
3 9/16
3/4
5/8
5
4 1/2
1
3/4
6
5 1/2
1 1/4
1
7
6 1/2
1 1/2
1 1/4
8
7 1/4
1 3/4
1 3/8
9
8 1/4
2
1 1/2
10
9 1/4
2 1/2
2
11
10 1/4
3
2 9/16
12
11 1/4
3 1/2
3 1/16
14
13 1/4
4
3 9/16
16
15 1/4
10 May 2006
FM 4-20.116/TO 13C7-1-13
1-11
Chapter 1
Table 1-19. Nails
A- Brads
Dash
Length
Diameter
No per lb
no
(in)
(in)
(approx)
-1
3/8
.0348
9520
-2
1/2
.0348
7060
-3
5/8
.0348
5680
-4
3/4
.0348
4800
-5
7/8
.0348
4220
-6
1
.0540
1502
-7
1
.0625
1120
-8
1 1/4
.0625
940
-9
1 1/2
.0800
470
-10
1 3/4
.0625
672
-11
1 3/4
.0800
400
-12
2
.0800
350
-13
2 1/4
.0800
320
-14
2 1/2
.0800
290
B- Nails, Casing
Dash
Common
Length
Diameter
No per lb
No
Designation
(in)
(in)
(approx)
-15
4d
1 1/2
.080
489
-16
6d
2
.099
244
-17
8d
2 1/2
.113
147
-18
10d
3
.128
96
-19
12d
3 1/4
.128
88
-20
16d
3 1/2
.135
74
C- Nails, Finishing
Dash
Common
Length
Diameter
No per lb
No
Designation
(in)
(in)
(approx)
-21
3d
1 1/4
.067
880
-22
4d
1 1/2
.072
630
-23
5d
1 3/4
.072
535
-24
6d
2
.0915
288
-25
7d
2 1/4
.0915
254
-26
8d
2 1/2
.099
196
-27
9d
2 3/4
.099
178
-28
10d
3
.113
124
-29
12d
3 1/4
.113
113
-30
16d
3 1/2
.1205
93
-31
20d
4
.135
65
1-12
FM 4-20.116/TO 13C7-1-13
10 May 2006
Reference Tables
Table 1-19. Nails (Continued)
D- Nails, bright
Dash
Common
Length
Diameter
No per lb
No
Designation
(in)
(in)
(approx)
-1
2d
1
.072
810
-2
3d
1 1/4
.080
540
-3
4d
1 1/2
.099
300
-4
5d
1 3/4
.099
255
-5
6d
2
.113
170
-6
7d
2 1/4
.113
150
-7
8d
2 1/2
.131
95
-8
9d
2 3/4
.131
90
-9
10d
3
.1483
65
-10
12d
3 1/4
.1483
60
-11
16d
3 1/2
.162
46
-12
20d
4
.192
28
-13
30d
4 1/2
.207
20
-14
40d
5
.2253
17
-15
50d
5 1/2
.2437
13
-16
60d
6
.2625
10
E- Nails, zinc coated
Dash
Common
Length
Diameter
No per lb
No
Designation
(in)
(in)
(approx)
-17
2d
1
.072
789
-18
4d
1 1/2
.099
274
-19
6d
2
.113
155
-20
8d
2 1/2
.131
91
-21
10d
3
.1483
61
-22
12d
3 1/4
.1483
57
-23
16d
3 1/2
.162
44
-24
20d
4
.192
26
-25
30d
4 1/2
.207
20
-26
40d
5
.2253
17
-27
50d
5 1/2
.2437
13
-28
60d
6
.2625
10
10 May 2006
FM 4-20.116/TO 13C7-1-13
1-13
Chapter 1
Table 1-19. Nails (Continued)
F- Nails, copper
Dash
Length
Diameter
No per lb
No
(in)
(in)
(approx)
-29
1
.072
704
-30
1 1/2
.109
208
-31
2
.120
130
-32
2 1/2
.134
86
-33
3
.148
56
-34
3 1/2
.165
40
-35
4
.203
23
-36
4 1/2
.220
18
-37
5
.238
14
Table 1-20. Parachute, Cargo
Type
Weight (lb)
Maximum load limit (lb)
68-inch pilot parachute
3
50
T-10 modified cargo
25
500
15-foot cargo extraction
27
500
G-14 cargo parachute
37
500
12-foot high velocity parachute
7.75
500
22-foot cargo extraction
31
2,200
26-foot high velocity parachute
22
2,200
G-12E cargo parachute
125
2,200
G-11B/C cargo parachute
250
5,000
G-11D cargo parachute
250
4,250
Table 1-21. Parachute, Cargo Extraction
Weight (lb)
Size (ft)
Canopy
Packed
15
8.0
27
22
27.5
31
28
36.5
75
1-14
FM 4-20.116/TO 13C7-1-13
10 May 2006
Reference Tables
Table 1-22. Platform, Cargo Airdrop, Type V
Length
Width
Weight
Platform surface
Minimum rigged
weight (lb)
(ft)
(in)
(lb)
(sq ft)
8
108
820
72
2,520
12
108
1,220
108
3,780
16
108
1,590
144
5,040
20
108
1,950
180
6,300
24
108
2,280
216
7,560
28
108
2,820
252
8,820
32
108
3,056
288
10,080
Table 1-23. Platform, Dual Row Airdrop System
Length
Width
Weight
Platform surface
Minimum rigged
weight (lb)
(ft)
(in)
(lb)
(sq ft)
18
88
1,590 w/o outriggers
132
7,500
18
88
1,942 w/ outriggers
132
7,500
Table 1-24. Plywood, Flat Panel
Thickness
Width
Length
Note
(in)
(in)
(in)
1/4
48
96
Types:
3/8
48
96
Exterior:
1/2
48
96
Type I - The glue line is waterproof
and unaffected by microorganisms.
5/8
48
96
*Minimum grade standard for airdrop
3/4
48
96
is AC exterior.
1
48
96
Type I
Interior:
Type II - The glue line will withstand
occasional wetting and drying.
Type III - The glue is suitable only for
use where the plywood will not be
subjected to water, dampness, or high
humidity.
Classes:
A - Hardwood
B - Douglas fir
C - Pine
D - Western softwood
E - Southern pine
10 May 2006
FM 4-20.116/TO 13C7-1-13
1-15
Chapter 1
Table 1-25.
Tape, Nylon, Parachute
Width
Weight
Breaking
Class
Type
(in)
(yd per lb)
Strength (lb)
I
.250
1,300
13
II
.375
875
18
A
III
.625
440
43
Extra lightweight
IV
1.250
260
65
V
2.000
165
96
I
.250
970
22
II
.375
650
33
B
III
.625
360
70
Lightweight
IV
1.250
210
120
V
2.000
120
200
VI
5.000
50
100
I
.250
770
39
II
.375
520
58
C
III
.625
335
90
Mediumweight
IV
1.250
160
185
V
2.000
100
300
D
I
1.250
80
280
Heavyweight
II
2.000
45
460
E
I
1.250
50
650
Extra heavyweight
II
2.000
30
1,000
Table 1-26. Type XXVI, Sling, Cargo, Airdrop
No per suspension point
No of loops per sling
Safe load
2
0 to 14,000
1
4
14,001 to 40,000
Table 1-27. Sling, Endless
Fiber Rope
Rope
Inside perimeter
Safe working load
Breaking strength
Type
circumference (in)
(ft)
(lb)
(lb)
I
3
24
1,800
9,000
II
3 1/4
40
2,100
10,500
III
3 1/2
80
2,400
12,000
IV
4
80
3,000
15,000
Wire Rope, Grommet
Safe working load (lb)
Proof load vertical
Breaking strength
Diameter
Vertical hitch
Choker hitch
hitch (lb)
(lb)
3/4
15,200
11,400
30,400
76,000
1-16
FM 4-20.116/TO 13C7-1-13
10 May 2006
Reference Tables
Table 1-28. Tape, Textile, Cotton, General-Purpose
Type
Width (in)
Warp strength (lb)
3/16
22
1/4
25
3/8
30
1/2
42
5/8
50
I
3/4
65
7/8
80
1
85
1 1/8
95
1 1/4
115
1 1/2
130
3/16
14
1/4
18
II
3/8
24
1/2
35
Table 1-29. Tape, Textile, Nylon
Weight min
Breaking
Width
Thickness
Elongation
Type
(oz per lin
strength
Note
(in)
(in)
min (%)
yd)
min (lb)
Parachute
Constructio
n
Type I - one black
I
1
.025-.045
35
600
16
thread in center
II
1
.010-.030
.145
300
14
III
1
.025-.045
0.40
525
16
Multiple
1 3/8
.020
.40
500
20
tubular
10 May 2006
FM 4-20.116/TO 13C7-1-13
1-17
Chapter 1
Table 1-30. Tape and Webbing, Textile, Rayon
Breaking
Width
Length, min
Type
strength,
Notes:
(in)
(lin yd per lb)
min (lb)
1/2
400
15
When specified, all rayon tape and webbing will
9/16
200
50
contain one red thread in center.
I
1 1/8
100
100
Type I - Flat weave tape
1 1/4
80
140
3/8
10
160
9/16
40
500
Ia
Type Ia - Flat weave webbing
1
32
500
1 5/8
15
750
1/8
125
150
3/16
100
200
II
1/2
40
500
Type II - Tubular weave webbing
9/16
40
500
5/8
23
900
Table 1-31. Tape, Textile and Webbing, Textile, Reinforcing, Nylon
Breaking
Width
Thickness
Weight, max
Type
strength,
Notes
(in)
(in)
(oz per yd)
min (lb)
1
.025-.035
.40
900
II
1 1/2
.025-.035
.60
1,300
Tape, herring bone twill weave
2
.025-.035
.80
1,700
3/8
.015-.025
.12
200
1/2
.015-.025
.15
250
III
3/4
.015-.025
.20
400
Tape, plain weave
1
.015-.025
.30
525
1 1/2
.015-.025
.40
850
1/2
.030-.040
.35
550
5/8
.030-.040
.40
625
IV
1
.030-.040
.50
1,000
Webbing, plain weave
1 1/8
.030-.040
.60
1,100
1 1/2
.030-.040
.75
1,500
V
9/16
.020.030
.20
500
Tape, herring bone twill weave
VI
3/4
.020-.030
.20
425
Tape hearing bone twill weave
1-18
FM 4-20.116/TO 13C7-1-13
10 May 2006
Reference Tables
Table 1-32. Tape and Webbing, Textile, Cotton Reinforcing, Woven
Breaking
Width
Weight, max
Type
strength,
Notes
(in)
(oz per lin yd)
min (lb)
1/4
.11
80
3/8
.15
120
1/2
.22
150
I
Plain
5/8
.28
170
3/4
.33
200
1
.47
250
1/2
.15
110
3/4
.22
165
1
.29
220
II
1 1/4
.36
275
Double herringbone
1 1/2
.43
330
1 3/4
.50
375
2
.57
425
1/2
.10
45
III
5/8
.12
55
Twill
3/4
.14
75
1
.65
350
V
Plain (traverse cord)
2
1.30
650
5/8
.23
80
VI
Non-elastic
1
.98
375
10 May 2006
FM 4-20.116/TO 13C7-1-13
1-19
Chapter 1
Table 1-33. Thread, Nylon
Length, min
Breaking strength,
Size
Ply
(yd per lb)
min (lb)
A- Type I - Twisted, multiple cord, soft finish
00
2
25,801
1.8
A
3
18,001
2.8
AA
2 or 3
13,001
4.1
B
2 or 3
8,701
6.0
E
3
5,801
9.0
F
3 or 4
4,001
11.8
FF
3
2,901
17.5
3
3
1,951
27.0
4
3
1,451
36.0
5
3
1,151
45.0
6
3
951
54.0
8
3
701
72.0
B- Type II - Twisted, bonded, multiple cord, bonded finish
00
2
2,201
1.8
A
3
16,201
2.8
AA
2 or 3
11,701
4.1
B
2 or 3
7,801
6.0
E
3
5,201
9.0
F
3 or 4
3,601
11.8
FF
3
2,601
17.5
3
3
1,751
27.0
4
3
1,301
36.0
5
3
1,051
45.0
6
3
851
54.0
8
3
600
72.0
1-20
FM 4-20.116/TO 13C7-1-13
10 May 2006
Reference Tables
Table 1-34. Thread, Cotton
Tex
Breaking strength,
Ticket number
Ply
Yards per lb, min
(approximate size)
min (lb)
A- Types I and II (machine thread)
140
19
2
23,000
1.0
90
25
2
17,946
0.9
70
30
2
14,173
1.2
70
30
3
14,173
1.5
50
40
3
11,023
1.8
40
50
3
8,267
2.2
30
60
3
7,087
3.0
30
60
3
7,087
3.2
24
80
4
5,512
3.8
16
105
4
4,134
5.3
12
150
4
3,307
6.8
10
187
3
2,501
6.5
10
225
4
1,901
9.5
10
292
5
1,501
12.5
10
358
6
1,275
15.5
9
255
4
1,831
10.0
8
233
3
2,001
7.0
8
283
4
1,501
11.0
B- Type II (mercerized machine thread)
30
39
2
11,001
1.6
36
32
2
14,401
1.3
C
72
3
6,010
4.0
B
58
3
7.61
3.2
A
50
3
8,268
2.8
0
40
3
9,920
2.6
00
35
3
12,401
2.1
000
27
3
15,521
1.7
C- Type IV and V (shoe thread)
8
270
4
1,654
13.0
8
350
5
1,241
17.5
8
400
6
1,103
21.0
8
450
7
993
24.5
8
500
8
827
28.0
8
600
9
709
31.5
8
700
10
621
35.0
8
700
11
621
38.5
8
800
12
552
42.0
10 May 2006
FM 4-20.116/TO 13C7-1-13
1-21
Chapter 1
Table 1-35. Webbing, Textile, Woven Nylon
Width
Thickness
Weight
Breaking
Type
Identifying yarns
(in)
(in)
(oz per lin yd)
strength (lb)
I
9/16
.025-.040
0.28
500
Ia
3/4
.025-.035
0.32
600
II
1
.025-.040
0.42
600
III
1 1/4
.025-.040
0.52
800
IV
3
.025-.040
1.20
1,800
VI
1 23/32
.030-.050
1.15
2,500
Two red threads in center
VII
1 23/32
.060-.100
2.35
6,000
Two yellow threads at each edge
VIII
1 23/32
.040-.070
1.60
4,000
One black threads in center
VIIIa
3
.040-.070
2.80
6,300
VIIIb
2
.040-.070
1.80
4,500
VIIIc
2 1/4
.040-.070
2.10
5,300
IX
3
.065-.100
4.00
9,000
X
1 23/32
.105-.140
3.70
9,500
XII
1 23/32
.025-.040
.085
1,200
One red thread at each edge
XIII
1 23/32
.080-.120
2.90
7,000
Two black threads at each edge
XIV
1/2
.070-.100
0.80
1,200
XV
2
.035-.050
1.25
1,500
XVI
1 23/32
.045-.080
2.00
4,500
XVII
1
.045-.070
1.15
2,500
XVIII
1
.100-.160
2.05
6,000
XIX
1 3/4
.100-.130
4.10
10,000
Two green threads in center
XX
1
.180-.210
3.25
9,000
XXI
1 1/4
.065-.085
1.70
3,600
Two black threads at each edge
XXII
1 23/32
.090-.120
3.50
9,500
and in center
XXIII
1 1/8
.200-.300
3.70
12,000
XXIV
1 15/16
.055-.075
2.25
5,500
XXV
1
.080-.125
1.50
4,500
XXVI
1 3/4
.150-.180
4.90
15,000
One yellow threads in center
XXVII
1 23/32
.085-.110
2.90
6,500
One black thread at each edge
XXVIII
2 1/4
.080-.110
3.80
8,700
Table 1-36. Webbing, Textile, Nylon - Universal Static Line
Breaking strength,
Weight, max
Width (in)
Thickness (in)
min (lb)
(oz per lin yd)
.75
0.136
4000
1.75
1-22
FM 4-20.116/TO 13C7-1-13
10 May 2006
Reference Tables
Table 1-37. Webbing Nylon, Tube Edge Construction
Width (in)
Breaking
Thickness
Weight, max
strength,
Identifying yarns
Full width
Each edge
(in)
(oz per yd)
min (lb)
1 23/32
3/16
.060-.100
2.35
6,000
4 yellow yarns
1 23/32
3/16
.080-.120
2.90
7,000
4 black yarns
1
3/16
.045-.075
1.15
2,500
1 3/4
1/4
.150-.190
4.90
15,000
2 yellow yarns in center
Table 1-38. Webbing, Textile, Nylon, Tubular
Width
Thickness
Weight
Breaking
Identifying yarns
(in)
(in)
(oz per yd)
strength (lb)
3/8
0.090
0.40
950
Two yellow or black warp yarns in center
1/2
0.090
0.50
1,000
One yellow or black warp yarn in center of
one side
9/16
0.090
0.60
1,500
Three yellow or black warp yarns in center
5/8
0.100
0.75
2,250
Two yellow or black warp yarns in center of
one side
3/4
0.120
1.05
2,300
One yellow or black warp yarns in center
7/8
0.120
1.00
3,100
None
1
0.120
1.70
4,000
One yellow or black warp yarns in center of
one side
10 May 2006
FM 4-20.116/TO 13C7-1-13
1-23
Chapter 1
Table 1-39. Webbing, Textile, Cotton, Warp
Breaking
Width
Thickness
Weight
strength, warp
Type
Notes
(in)
(in)
(oz per yd)
full width
min (lb)
I
9/16
.040-.050
0.40
350
Classes:
II
1
.040-.050
0.75
575
1A - Undyed and not fungus proofed
III
1 1/4
.040-.050
0.90
750
1B - Undyed and fungus proofed
IV
3
.050-.100
2.50
1,900
2A - Dyed and not fungus proofed
V
5
.050-.100
4.30
2,750
2B - Dyed and fungus proofed
VI
1 3/4
.070-.095
2.20
1,500
3 - Resin dyed and fungus proofed
during dyeing
Identifying threads:
VII
1 3/4
.140-.170
3.00
2,600
Two black threads at each edge
VIII
1 3/4
.070-.095
3.00
1,200
Two black threads in center
IX
3
.090-.115
4.65
4,500
X
1 3/4
.125-.170
4.00
4,700
XII
1 3/4
.040-.060
1.25
900
XIII
1 3/4
.095-.130
3.40
3,400
Two red threads in center
XV
1 3/4
.130-.150
3.50
4,500
Two red threads at each edge
XVI
1 3/4
.090-.115
2.60
2,700
Two yellow threads in center
XVII
1
.075-.095
1.25
900
XVIII
2 1/2
.050-.060
1.40
1,250
XIX
2
.130+/-.010
3.68
2,500
XX
5/8
.075-.095
0.45
200
Table 1-40. Webbing, Textile, Elastic, Cotton
Load range to
Width max
Thickness
Weight
Type
Class
produce 50%
(in)
(in)
(oz per lin yd)
elongation (lb)
I
1
3/8
.016-.046
0.28
1.15-3.25
1/2
.016-.046
0.38
1.35-3.75
3/4
.016-.046
0.53
1.80-5.00
7/8
.016-.046
0.55
0.90-4.37
1
.016-.046
0.73
3.00-5.50
1 1/2
.016-.046
1.00
5.00-7.00
2
.031-.061
1.60
6.00-11.00
2 1/2
.031-.061
2.00
8.00-12.00
2
1 1/2
.094-.156
2.30
7.20-17.50
3*
1 1/2
.094-.156
2.35
15.30-31.25
II
1
1
.030-.060
0.80
3.00-6.00
1 1/2
.030-.060
1.20
4.00-7.50
*Used for parachute packs and ripcord grip pockets
1-24
FM 4-20.116/TO 13C7-1-13
10 May 2006
Reference Tables
Table 1-41. Webbing, Textile, Cotton, General-Purpose
A- Type II, medium - weight webbing (hard texture)
Width
Weight
Breaking strength
Notes
(in)
(oz per lin yd)
full width min (lb)
3/8
0.20
100
Classes:
1/2
0.32
160
1 - Natural
5/8
0.40
200
1a - Natural, water-repellent, mildew resistant,
2,2’ methylenbis (4-chlorophenol)
3/4
0.48
235
1b - Natural, water-repellent, mildew resistant,
1
0.65
315
(copper 8-quinolinolate)
1 1/4
0.81
385
2 - Bleached
1 1/2
0.97
460
2a - Bleached, water-repellent, mildew-resistant,
2
1.30
585
2,2’ methylenebis (4-chlorophenol)
2 3/4
1.78
760
3 - Dyed
3
1.95
810
4 - Dyed, water-repellent, mildew resistant,
(copper 8-quinolate)
3 3/4
2.43
315*
7 - Dyed, water-repellent, mildew-resistant, 2,2’
5
3.25
315*
methylenebis (4-chlorohpenol)
5 5/8
3.65
315*
8 - Dyed, water-repellent
B- Type IIa, medium weight webbing (soft texture)
Width (in)
Weight (oz per lin yd)
Breaking strength full width min (lb)
3/8
0.25
130
1/2
0.33
160
5/8
0.41
195
3/4
0.49
230
1
0.65
300
1 1/4
0.81
370
1 1/2
0.97
440
2
1.30
580
2 1/4
1.47
645
C- Type IIb, medium heavyweight webbing
5/8
0.60
310
3/4
0.72
365
1
0.96
475
1 1/4
1.20
590
1 1/2
1.44
700
2
1.92
925
2 1/4
2.25
1,050
3
2.88
1,375
*Indicates breaking strength per inch
10 May 2006
FM 4-20.116/TO 13C7-1-13
1-25
Chapter 1
Table 1-41. Webbing, Textile, Cotton, General-Purpose (Continued)
D- Type III, heavyweight webbing
Width (in)
Weight (oz per lin yd)
Breaking strength full width min (lb)
5/8
1.00
380
3/4
1.20
460
1
1.33
550
1 1/4
1.50
650
1 1/4
2.00
720
1 1/2
2.40
860
2
2.65
1,100
2 1/2
4.00
1,360
3
4.80
1,560
Table 1-42. Wire Strand (6 x 19)
Breaking strength (tn)
Weight
Diameter (in)
Improved plow
(lb per 100 ft)
Mild plow steel
Plow steel
steel
1/4
10
2.07
2.39
2.74
3/8
23
5.0
5.5
6.3
1/2
40
8.5
9.4
10.8
5/8
63
13.1
14.4
16.6
3/4
90
18.7
20.6
23.7
7/8
123
25.4
28.0
32.2
1
160
33.0
36.5
42.0
1 1/8
203
41.5
46.0
53.0
1 1/4
250
51.0
56.5
65.0
1 1/2
360
72.5
80.5
92.5
Table 1-43.
Wire Strand, Steel (Corrosion Resistant), Preformed (Aircraft Application)
Nominal
Breaking
Weight
Cable type
diameter
strength
Notes
(lb per 100 ft)
(in)
(lb)
I
1/32
150
.025
Nonflexible 1 x 7, with wire center
3/64
375
0.55
II
1/16
500
.085
Nonflexible 1 x 19, with wire center
5/64
800
1.40
3/32
1,200
2.00
7/64
1,600
2.70
1/8
2,100
3.50
5/32
3,300
5.50
3/16
4,700
7.70
7/32
6,300
10.20
1/4
8,200
13.50
5/16
12,500
21.00
1-26
FM 4-20.116/TO 13C7-1-13
10 May 2006
Reference Tables
Table 1-44. Miscellaneous Hardware and Equipment
Item
Breaking Strength
Adapter, parachute harness, quick-fit
2,500
Adapter, parachute harness, reversible, quick-fit
2,500
Clevis, riser, airdrop, type III
2,000
Clevis, suspension, airdrop, type I:
1-inch diameter (large suspension clevis)
40,000
3/4-inch diameter (cargo suspension clevis)
20,000
5/8-inch diameter (small suspension clevis)
20,000
Clevis, tiedown, airdrop, type II:
5/8-inch diameter
15,000
1/2-inch diameter
7,000
Container kits, airdrop:
A-7A, sling assembly
500
A-10, net
300
A-21, bag
500
A-22, bag
2,200
Link assembly:
Type IV
40,000
Two-point, 3 3/4-inch
30,000
Two-point, 5 1/2-inch
30,000
Link, parachute, connector, L-bar type
3,000
Ring, parachute harness:
“D” ring
5,000
“V” ring
2,500
Quick-fit, “V” type
2,500
Ejector
2,500
Strapping, steel, 5/8-inch wide. 0.02-inch thick (safe load per double
1,000
thickness: 250 lb)
Tiedown, cargo, aircraft:
Type CGU-1B
5,000
Type MB-1 or CGU-4E
10,000
Type MB-2 or CGU-3E
25,000
Tiedown, cargo, aircraft, nylon web net:
Type MA-2 (15- by 15-foot)
10,000
Type MA-3 (30- by 15-foot)
10,000
10 May 2006
FM 4-20.116/TO 13C7-1-13
1-27
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Chapter 2
Rigged Load Reference Data
SECTION I - INTRODUCTION
GENERAL
2-1. This chapter contains illustrations and reference data on completely rigged airdrop platforms.
TYPE V PLATFORM
2-2. Loads rigged on type V platform for low-velocity airdrop are contained in Section II.
COMBAT-EXPENDABLE PLATFORM
2-3. Loads rigged on combat-expendable platforms for low-velocity airdrop are contained in Section III.
MARITIME CARGO AERIAL DELIVERY SYSTEMS PLATFORM
2-4. Loads rigged on maritime cargo aerial delivery systems platforms for low-velocity airdrop are
contained in Section IV.
DUAL ROW AIRDROP SYSTEMS PLATFORM
2-5. Loads rigged on dual row airdrop systems platforms for low-velocity airdrop are contained in
Section V.
10 May 2006
FM 4-20.116/TO 13C7-1-13
2-1
Chapter 2
SECTION II -LOW-VELOCITY AIRDROP ON TYPE V PLATFORM
One Military Utility Vehicle (M-Gator) Rigged on an 8-Foot Platform
Reference: FM 4-20.108/TO 13C7-2-491
Weight: Load shown
3,120 pounds
Height
78 inches
Width
108 inches
Overall Length with EFTC
125 inches
Overall Length with EPJS
143 inches
Overhang: Front (Rear of Vehicle)
11 inches
Rear (EFTC)
18 inches
Rear (EPJS)
30 inches
Center of Balance (from front edge of platform)
49 inches
Accompanying Load: None
Aircraft: C-130 and C-17
Extraction System: EFTC
Extraction Parachute C-130: 15-foot
Extraction Parachute C-17: 15-foot
Platform Size: 8-Foot
Cargo Parachute: One G-11B
Figure 2-1. One Military Utility Vehicle (M-Gator) Rigged on an 8-Foot Platform
2-2
FM 4-20.116/TO 13C7-1-13
10 May 2006
Rigged Load Reference Data
Two Military Utility Vehicles (M-Gator) and Equipment Box Rigged on a 20-Foot Platform
Reference: FM 4-20.108/TO 13C7-2-491
Weight: Load shown
8,520 pounds
Height
78 inches
Width
108 inches
Overall Length with EFTC
260 1/2 inches
Overall Length with EPJS
278 1/2 inches
Overhang: Front (Box)
2 1/2 inches
Rear (EFTC)
18 inches
Rear (EPJS)
30 inches
Center of Balance (from front edge of platform)
124 inches
Accompanying Load: Equipment box weighing 2,000 pounds is rigged on platform.
Aircraft: C-130 and C-17
Extraction System: EFTC
Extraction Parachute C-130: 22-Foot
Extraction Parachute C-17: 22-Foot
Platform Size: 20-Foot
Cargo Parachutes: Two G-11B
Figure 2-2. Two Military Utility Vehicles (M-Gator) and Equipment Box Rigged on a 20-Foot
Platform
10 May 2006
FM 4-20.116/TO 13C7-1-13
2-3

 

 

 

 

 

 

 

 

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