TM 55-2835-209-23
APPENDIX F
TORQUE LIMITS
TORQUE VALUES FOR BOLTS, SCREWS AND NUTS
Thread Size
Torque Value
3-48
5-7 inch-pounds
6-32
11-13 inch-pounds
8-32
13-16 inch-pounds
10-31
24-27 inch-pounds
1/4-28
55-70 inch-pounds
9/16-18
480-600 inch-pounds
MINIMUM DRAG TORQUE FOR SELF-LOCKING NUTS
Thread Size
Torque Value
10-32
2.0 inch-pounds
1/4-28
3.5 inch-pounds
3/8-24
9.5 inch-pounds
TORQUE VALUES FOR PLUGS, UNIONS, ELBOWS AND NIPPLES
Size
Thread Size
Torque Value
4
7/16-20
135-150 inch-pounds
6
9/16-18
180-200 inch-pounds
TORQUE VALUES FOR FLARED TUBE COUPLING NUTS
Tube Size
Torque Value
4
135-150 inch-pounds
6
270-300 inch-pounds
F-1
