TM 5-3895-377-13&P
Table 4-3. U. S. Standard Torque Values
Minimum Breakaway
Torque Value
S.A.E. Grade 2
Minimum Breakaway
Torque Value
S.A.E. Grade 5
Minimum Breakaway
Torque Value
S.A.E. Grade 8
Thread Size
U.S.
Metric
U.S.
Metric
U.S.
Metric
1/4-20
1/4-28
5/16-18
5/16-24
3/8-16
3/8-24
7/16-14
7/16-20
1/2-13
1/2-20
9/16-12
9/16-18
5/8-11
5/8-17
3/4-10
3/4-16
7/8-9
7/8-14
1-8
1-12
1-14
5 lb-ft
6 lb-ft
11 lb-ft
13 lb-ft
20 lb-ft
22 lb-ft
30 lb-ft
35 lb-ft
50 lb-ft
55 lb-ft
70 lb-ft
80 lb-ft
100 lb-ft
110 lb-ft
170 lb-ft
190 lb-ft
165 lb-ft
180 lb-ft
250 lb-ft
270 lb-ft
280 lb-ft
7 Nm
8 Nm
15 Nm
18 Nm
27 Nm
30 Nm
41 Nm
47 Nm
68 N.m
75 Nm
95 N.m
108 Nm
136 Nm
149 Nm
230 Nm
258 Nm
224 Nm
244 Nm
339 Nm
366 Nm
380 Nm
8 lb-ft
10 lb-ft
17 lb-ft
19 lb-ft
30 lb-ft
35 lb-ft
50 lb-ft
55 lb-ft
75 lb-ft
85 lb-ft
110 lb-ft
120 lb-ft
150 lb-ft
170 lb-ft
270 lb-ft
300 lb-ft
430 lb-ft
475 lb-ft
645 lb-ft
705 lb-ft
720 lb-ft
11 Nm
14 Nm
23 Nm
26 Nm
41 Nm
47 Nm
68 Nm
75 Nm
102 Nm
115 Nm
149 Nm
163 Nm
203 Nm
230 Nm
366 Nm
407 Nm
583 Nm
644 Nm
875 Nm
956 Nm
976 Nm
12 lb-ft
14 lb-ft
24 lb-ft
27 lb-ft
45 lb-ft
50 lb-ft
70 lb-ft
80 lb-ft
105 lb-ft
120 lb-ft
155 lb-ft
170 lb-ft
210 lb-ft
240 lb-ft
375 lb-ft
420 lb-ft
610 lb-ft
670 lb-ft
910 lb-ft
1, 000 lb-ft
1, 015 lb-ft
16 Nm
19 Nm
33 Nm
37 Nm
61 Nm
68 Nm
95 Nm
108 Nm
142 Nm
163 Nm
210 Nm
230 Nm
285 Nm
325 Nm
508 Nm
569 Nm
827 Nm
908 Nm
1, 234 Nm
1, 356 Nm
1, 376 N m
4-61