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 2925-01-025-0082
NSN 5920-00-243-8181
NSN 5855-01-657-7657
NSN 6130-00-533-9659
NSN 6105-00-064-5750
NSN 6650-01-344-3974
NSN 5835-01-555-4262
NSN 2925-00-328-2018
NSN 5999-01-478-8582
NSN 6220-01-166-3696
NSN 6105-00-316-5098
NSN 5950-00-957-0712