Rockwell hardness on stud end
A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends on which the nominal diameter of one threaded section is greater than the other. The unthreaded section must have more than one diameter, none of which may be larger than the maximum major diameter of the larger thread. It may be thread relieved. Excludes items with tapered threads.
NSN 6320-01-425-1417
NSN 6110-01-195-3631
NSN 5945-01-286-3621
NSN 6320-00-731-6134
NSN 6105-01-414-0083
NSN 6610-01-086-9545
NSN 5990-01-510-4699
NSN 7035-01-056-5350
NSN 7035-01-166-1141
NSN 5945-01-224-0481
NSN 5935-00-184-7745
NSN 5945-01-622-1988