TM 10-4610-246-13
APPENDIX G
TORQUE LIMITS
G.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.
G.2
TORQUE LIMITS. Torque limits are listed in Table G-1 for fasteners. Table G-2 lists the minimum breakaway torque
values for locknuts.
Table G-1. General Torque Requirements
Torque Requirement in ft lb (Nom)
Bolt/Screw Size
SAE Grade
SAE Grade
SAE Grade
SAE Grade
1 or 2
5
6 or 7
8
¼-20 UNC
5 (7)
8 (11)
10 (14)
12 (16)
¼-28 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 (75)
70 (95)
7/16-20 UNF
30 (41)
55 (75)
67 (91)
78 (106)
½-13 UNC
39 (53)
75 (102)
85 (115)
105 (142)
½-20 UNF
41 (56)
85 (115)
102 (138)
120 (163)
9/16-12 UNC
51 (69)
110 (149)
120 (163)
155 (210)
9/16-18 UNF
55 (75)
120 (163)
145 (197)
170 (231)
5/8-11 UNC
63 (85)
150 (203)
167 (226)
210 (285)
5/8-18 UNF
95 (129)
170 (231)
205 (278)
240 (325)
¾-10 UNC
105 (142)
270 (366)
280 (380)
375 (509)
¾-16 UNF
115 (156)
295 (400)
357 (484)
420 (570)
7/8-9 UNC
160 (217)
395 (536)
440 (597)
605 (820)
7/8-14 UNF
175 (237)
435 (590)
555 (753)
675 (915)
1-8 UNC
235 (319)
590 (800)
660 (895)
910 (1234)
1-14 UNF
250 (33)
660 (895)
825 (1119)
990 (1342)
1-1/8-7 UNC
350 (475)
800 (1085)
1000 (1356)
1280 (1736)
1-1/8-12 UNF
400 (542)
880 (1193)
1050 (1424)
1440 (1953)
1-1/4-7 UNC
500 (678)
1080 (1464)
1325 (1797)
1820 (2468)
1-1/4-12 UNF
550 (746)
1125 (1526)
1325 (1797)
1820 (2712)
1-3/8-6 UNC
660 (895)
1460 (1980)
1800 (2441)
2380 (3227)
1-3/8-12 UNF
740 (1003)
1680 (2278)
1960 (2658)
2720 (3688)
1-1/2-6 UNC
870 (1180)
1940 (2631)
2913 (3950)
3160 (4285)
1-1/2-12 UNF
980 (1329)
2200 (2983)
3000 (4068)
3560 (4827)
G-1
