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 5998-01-282-3364
NSN 5895-01-084-9117
NSN 6135-00-935-8769
NSN 6110-01-084-4215
NSN 2925-01-650-3412
NSN 5996-01-440-7489
NSN 5985-01-047-7497
NSN 6610-00-451-3325
NSN 5965-01-651-5165
NSN 6110-01-062-7532
NSN 5930-01-492-6967
NSN 5920-01-278-9952