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 5930-01-398-2252
NSN 6130-01-652-9978
NSN 5905-01-634-0595
NSN 5975-01-232-0100
NSN 6135-01-071-4923
NSN 6110-00-926-0781
NSN 5996-01-084-2054
NSN 5960-01-495-0859
NSN 6145-01-528-7853
NSN 5990-01-459-9533
NSN 6645-00-410-2395
NSN 5950-01-582-0860