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 5985-01-289-3555
NSN 5990-01-234-4607
NSN 6240-01-094-6262
NSN 6650-01-523-9850
NSN 5935-00-117-3954
NSN 6150-00-229-1489
NSN 2925-00-933-0200
NSN 6110-00-642-1120
NSN 6610-00-498-5198
NSN 5945-00-709-2053
NSN 5920-01-406-3462
NSN 5895-01-076-0837