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 6320-01-054-3046
NSN 6130-00-106-7505
NSN 5999-01-292-6294
NSN 5920-01-253-2173
NSN 6145-01-146-5555
NSN 5920-01-534-3806
NSN 6135-00-519-1325
NSN 5905-01-428-9660
NSN 5855-01-173-0808
NSN 6150-00-478-1929
NSN 6150-01-304-3181
NSN 5985-00-419-4028