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 5905-01-322-4901
NSN 5935-01-566-1888
NSN 2925-00-497-7808
NSN 6110-01-445-4632
NSN 6220-01-504-6494
NSN 6145-01-295-6482
NSN 5996-01-318-7738
NSN 5945-00-358-7652
NSN 5895-00-039-7257
NSN 6145-01-503-8534
NSN 5920-01-131-6436
NSN 4140-01-631-5554