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 5930-01-386-4006
NSN 5935-00-229-3067
NSN 7035-01-173-5503
NSN 5960-01-388-1988
NSN 6105-00-665-8581
NSN 6220-01-087-5115
NSN 5965-00-577-6215
NSN 6650-01-508-3651
NSN 6220-01-547-0271
NSN 6240-00-092-3186
NSN 5985-01-310-8473
NSN 6610-01-013-8922