TM-9-2330-356-14

SEMITRAILER, TANK: 5000 GALLON, BULK HAUL, SELF LOAD/UNLOAD M967 AND M967A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, AUTOMOTIVE M969 AND M969A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, UNDER/OVERWING AIRCRAFT M970 AND M970A1

TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL

OCTOBER 1990
TM-9-2330-356-14

  TM-9-2330-356-14 - Page 497 of 528

TM 9-2330-356-14
APPENDIX F
TORQUE LIMITS
Table F-1. Standard Torque Specifications.
USAGE
MUCH USED
MUCH USED
USED AT TIMES
USED AT TIMES
To 1/2-69,000
To 3/4 – 120,000
T
O
5/8 – 140,000
150,000
(4850.7000)
(8436.0000)
(9842.0000)
(10545.0000)
CAPSCREW DIAMETER AND
MINIMUM TENSILE STRENGTH
To 3/4–64,000
To 1-115,000
To 3/4– 133.000
PSI (KG/SQ CM)
(4499.2000)
(8084.5000)
(9349.9000)
To 1-55,000
(3866.5000)
QUALITY OF
MINIMUM
MEDIUM
BEST
MATERIAL
INDETERMINATE
COMMERCIAL
COMMERCIAL
COMMERCIAL
SAE GRADE NUMBER
1 or 2
CAPSCREW HEAD MARKINGS
CAPSCREW BODY SIZE
TORQUE
TORQUE
TORQUE
TORQUE
(INCHES) - (THREAD)
FT-LB (N•M)
FT-LB (N•M)
FT-LB (N•M)
FT-LB (N•M)
1/4-20
-28
5/16-18
-24
3/8-16
-24
7/16-14
-20
1/2-13
-20
9/16-12
-18
5/8-11
-18
3/4-10
-16
7/8-9
-14
1-8
-14
5
6
11
13
18
20
28
30
39
41
55
83
95
105
115
160
175
235
250
(7)
(8)
(15)
(18)
(24)
(27)
(36)
(41)
(53)
(56)
(69)
(75)
(113)
(129)
(142)
(156)
(217)
(237)
(319)
(339)
8
10
17
19
31
35
49
55
75
65
110
120
150
170
270
295
435
590
660
(11)
(14)
(23)
(26)
(42)
(47)
(66)
(75)
(102)
(115)
(149)
(163)
(203)
(231)
(366)
(400)
(536)
(590)
(800)
(695)
10
19
34
55
85
120
167
260
440
660
(14)
(26)
(46)
(75)
(115)
(163)
(226)
(360)
(597)
(895)
12
14
24
27
44
49
70
78
105
120
155
170
210
240
375
420
675
910
990
(16)
(19)
(33)
(37)
(60)
(66)
(95)
(106)
(142)
(163)
(210)
(231)
(285)
(325)
(509)
(570)
(820)
(915)
(1234)
(1342)
1.
2.
3.
4.
CAUTION: Capscrews threaded into aluminum may require reductions in torque of 30% or more, unless inserts are used.
NOTE: Do not use above values in place of those specified in the engine groups of this manual; special attention should be ob-
served in case of SAE Grade 6, 7, and 8 capscrews,
Always use the torque values listed above when specific specifications are not available.
The above is based on use of clean and dry threads.
Reduce torque by 10% when engine oil is used as a lubricant.
Reduce torque by 20% if new plated capscrews are used.
F-1/(F-2 Blank)


Back to Top