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 6105-01-245-8932
NSN 6620-00-248-6950
NSN 2925-00-225-5386
NSN 5999-01-328-8348
NSN 6610-01-247-6374
NSN 5920-00-081-0537
NSN 5990-01-244-9998
NSN 5925-00-148-2832
NSN 5990-01-040-1320
NSN 5990-01-516-9665
NSN 6110-01-406-4492
NSN 6650-01-604-9315