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 5975-01-454-6282
NSN 6620-01-655-7664
NSN 6240-01-069-2688
NSN 5920-00-510-7656
NSN 5935-01-206-7538
NSN 7035-01-584-1350
NSN 4140-01-113-5024
NSN 6110-01-487-6339
NSN 6135-00-683-0536
NSN 5925-00-185-4020
NSN 5935-01-480-9551
NSN 6685-00-444-5000