TM 10-4610-244-13
TM 09476B-13/1
APPENDIX H.
TORQUE LIMITS
H-1. GENERAL. This appendix provides general torque limits for fasteners Special torque values are indicated in the
maintenance procedures for applicable components The general torque values given In this appendix shall be used
when specific torque values are not indicated in the maintenance procedures.
H-2. TORQUE LIMITS . Torque limits are listed in Table H-I for fasteners Table H-2 lists the minimum breakaway
torque values for locknuts
Table H-1. General Torque Requirements.
Torque Requirement in ft lb (N nm)
Bolt/Screw Size
SAE Grade
SAE Grade
SAE Grade
SAE Grade
1 or 2
5
6 or 7
8
1/4-20 UNC
5 (7)
8 (11)
10 (14)
12 (16)
1/4-28 UNF
6 (8)
10 (14)
12 (16)
14 (19)
5/16 18 UNC
11 (15)
17(23)
19 (26)
24(33)
5/16-24 UNF
13 (18)
19 (26)
23 (31)
27 (37)
3/8 16 UNC
18 (24)
31 (42)
34 (46)
44 (60)
3/8-24 UNF
20 (27)
35 (47)
42 (57)
49 (66)
7/16-14 UNC
28 (38)
49 (66)
55 (7)
7() (95)
7/16-20 UNF
30 (41)
55 (75)
7X (I()6)
1/2-13 UNC
39 (53)
75 (1(2)
85 (115)
115 (142)
1/2-20 UNF
41 (56)
85 (115)
1()2 (138)
12( (163)
9/16-12 UNC
51 (69)
110 (149)
12()(163)
155 (211))
9/16-18 UNF
55 (75)
12)(1 1(3)
145 (197)
170 (231)
5/8-11 UNC
63 (85)
15() (21(3)
167 (226)
210 (285)
5/8-18 UNF
95 (129)
17() (231)
20( (278)
240(325)
3/4-10 UNC
105 (142)
270 (36(,6)
28X( (3X())
375 (509)
3/4-16 UNF
115 (156)
295 (41())
357 (484)
42() (570)
7/8-9 UNC
160 (217)
39')5 (536)
44(1 (5)7)
605 (820)
7/8-14 UNF
175 (237)
435 (59()
555 (753)
675 (915)
H-1
