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 6105-01-050-3799
NSN 5996-00-079-0384
NSN 5990-00-081-5370
NSN 6220-01-513-7789
NSN 6145-01-131-1592
NSN 5945-01-421-9818
NSN 5905-01-018-9162
NSN 5996-01-370-4940
NSN 5835-01-297-1909
NSN 5910-01-592-2746
NSN 5920-00-068-3009
NSN 6620-01-064-0366