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 5835-01-616-6131
NSN 6650-01-119-4576
NSN 5965-01-429-0881
NSN 7035-00-104-7613
NSN 6610-01-633-8931
NSN 6110-01-605-2450
NSN 7035-00-096-9986
NSN 6240-01-539-2806
NSN 5915-00-704-1609
NSN 5990-01-294-6198
NSN 5999-01-634-0576
NSN 7035-00-300-3208