TM 9-2320-289-20
APPENDIX E
TORQUE LIMITS
E-1.
SCOPE.
This appendix lists standard torque values, as shown in Table E-1, and provides general
information for applying torque.
Special torque values and sequences are indicated in the
maintenance procedures for applicable components.
E-2.
GENERAL.
a. Always use the torque values listed below when the maintenance procedure does not
give a specific torque value.
b. Unless otherwise specified, standard torque tolerance shall be ± 10%.
c. Torque values listed are based on clean and dry threads. Reduce torque by 10% when
engine oil is used as a lubricant.
Table E-1. Standard Torque Specifications
NUT OR BOLT SIZE
TORQUE
NUT OR BOLT SIZE
TORQUE
(inch)
GRADE 5
GRADE S
(millimeter)
GRADE 9.8
GRADE 10.9
FINE & COARSE THREADS
Ib.-ft.
N • m
Ib.-ft.
N • m
Ib.-ft.
N • m
Ib.-ft.
N - m
1/4
6
6
10
14
6
10
14
12
16
5/16
15
20
21
29
8
20
27
23
31
3/8
26
35
37
50
10
40
54
48
65
7/16
43
58
60
81
12
70
95
80
109
1/2
65
88
90
122
14
113
153
132
179
9/16
90
122
130
176
16
176
239
207
261
5/8
130
176
178
241
20
343
465
399
541
3/4
185
251
260
353
7/8
300
408
420
570
1
440
597
635
861
E-1
