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 6130-01-634-0603
NSN 5925-01-277-6062
NSN 7035-01-558-6203
NSN 5998-00-377-7010
NSN 5935-01-215-3523
NSN 6645-01-467-9983
NSN 5835-00-503-1638
NSN 6320-00-343-1798
NSN 5960-00-289-6591
NSN 6320-00-476-6898
NSN 5990-01-259-7138
NSN 5960-01-323-6432