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 5935-01-227-6538
NSN 5835-01-561-2959
NSN 7035-01-661-2467
NSN 7035-00-541-8516
NSN 5930-01-044-5261
NSN 5998-01-323-8323
NSN 4140-01-576-2627
NSN 5895-00-264-5666
NSN 5915-00-794-0490
NSN 5996-01-633-7979
NSN 5925-01-654-8570
NSN 6150-01-634-0575