F-1
F-2
TM 9-2320-362-14&P
APPENDIX F
TORQUE LIMITS
This appendix lists standard torque values, as shown in table F-1, and provides
general information for applying torque.
Special torque values and sequences are
indicated in the maintenance procedures for applicable components.
a. Always use the torque values listed below when specific specifications are not
available.
b. Unless otherwise specified, standard torque tolerance shall be ±10%.
c. Torque values
when engine oil is
d. Reduce torque
listed are based on clean and dry threads.
Reduce torque by 10%
used as a lubricant.
by 20% if new plated capscrews are used.
CAUTION
Capscrews threaded into aluminum may require
reductions in torque of 30% or more, unless
inserts are used.
Table F-1. Standard Torque Specifications
NUT OR CAPSCREW SIZE
(INCH)
FINE AND
COARSE THREADS
GRADE 8
1/4
5/16
3/8
7/16
1/2
9/16
5/8
3/4
7/8
1
TORQUE
GRADE 5 GRADE 8
lb - ft
6
15
26
43
65
90
130
185
300
440
N-m lb - ft
8
10
20
21
35
37
58
60
88
90
122
130
176
178
251
260
408
420
597
635
N-m
14
29
50
81
122
176
241
353
570
NUT OR CAPSCREW SIZE
(MILLIMETER)
6
8
10
12
14
16
20
TORQUE
GRADE 5
lb - ft
10
20
40
70
113
176
343
N-m
14
27
54
95
153
239
465
lb - ft
12
23
48
80
132
207
399
N-m
16
31
65
109
179
281
541
861
F-1 (F-2 blank)
