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 7035-01-510-4569
NSN 6135-01-265-1384
NSN 6150-01-163-1532
NSN 5920-01-401-5315
NSN 5965-01-591-8060
NSN 6685-01-227-2621
NSN 5975-01-338-9433
NSN 5895-00-466-3100
NSN 6620-01-537-1813
NSN 5945-01-646-3882
NSN 5960-01-356-4429
NSN 6320-00-036-3688