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 5998-01-352-7998
NSN 5935-00-905-4810
NSN 6240-01-134-2044
NSN 6685-01-327-4783
NSN 6240-01-292-6374
NSN 7035-01-599-7560
NSN 5999-00-773-3493
NSN 6650-01-015-1589
NSN 5960-00-707-3335
NSN 5925-01-172-9820
NSN 5990-01-280-0321
NSN 6685-00-844-4606