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 TM 55-1905-219-14-5
3.58. ELECTRIC POWER GENERATION AND DISTRIBUTION (Cont).
STANDARD BOLT AND NUT TORQUE SPECIFICATIONS
Thread
Minimum
Maximum
Size
(lb ft)
(Nm)
(lb ft)
(Nm)
1/4 - 20...............................................
7
9.4920
9
12.2040
1/4 - 28...............................................
8
10.8480
10
13.5600
5/16 - 18............................................. 13
17.6280
17
23.0520
5/16 - 24............................................. 15
20.3400
19
25.7640
3/8 - 16............................................... 30
40.6800
35
47.4600
3/8 - 24............................................... 35
47.4600
39
52.8840
7/16 - 14............................................. 46
62.3760
50
67.8000
7/16 - 20............................................. 57
77.2920
61
82.7160
1/2 - 13............................................... 71
96.2760
75
101.7000
1/2 - 20............................................... 83
112.5480
93
126.1080
9/16 - 12............................................. 90
122.0400
100
135.6000
9/16 - 18............................................. 107
145.0920
117
158.6520
5/8 - 11............................................... 137
185.7720
147
199.3320
5/8 - 18............................................... 168
227.8080
178
241.3680
3/4 - 10............................................... 240
325.4400
250
339.0000
3/4 - 16............................................... 290
393.2400
300
406.8000
7/8 - 9 ................................................ 410
555.9600
420
569.5200
7/8 - 14............................................... 475
644.1000
485
657.6600
1 - 8 ................................................... 580
786.4800
590
800.0400
1 -14 .................................................. 685
928.8600
695
942.4200
3-1050
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