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 6320-00-400-8042
NSN 6110-00-371-2458
NSN 6105-00-752-8818
NSN 5920-01-382-9379
NSN 5945-00-546-2751
NSN 6650-01-380-7562
NSN 5835-01-108-4980
NSN 6650-00-445-1427
NSN 6105-01-411-3996
NSN 5965-01-388-5296
NSN 6105-00-392-0605
NSN 5920-01-254-2753