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 6685-00-938-2158
NSN 5990-01-259-7138
NSN 5960-01-384-4603
NSN 5990-01-227-0660
NSN 6135-01-365-2707
NSN 6320-01-224-0063
NSN 5935-01-413-4742
NSN 5910-01-461-7175
NSN 6110-01-178-7833
NSN 6110-00-618-4171
NSN 5998-01-540-7714
NSN 5910-00-707-4900