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 5985-01-599-6313
NSN 5935-01-127-3818
NSN 6240-01-508-2442
NSN 5985-00-879-9680
NSN 6320-00-908-6841
NSN 5920-01-388-9692
NSN 5965-00-339-2743
NSN 6220-00-961-0783
NSN 5945-01-570-4626
NSN 7035-00-763-6180
NSN 5835-01-384-3206
NSN 6650-00-348-9483