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 5999-01-452-3375
NSN 5935-01-253-0333
NSN 6145-01-272-7558
NSN 5835-00-155-1379
NSN 5990-01-588-3999
NSN 5935-01-403-2844
NSN 5965-01-602-6760
NSN 5920-01-660-1950
NSN 6685-01-533-5783
NSN 6105-01-338-2576
NSN 5930-01-436-2620
NSN 6620-01-266-8894