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 6135-01-205-5965
NSN 6645-01-564-8610
NSN 2925-00-980-0231
NSN 5930-01-017-7304
NSN 6145-01-502-7553
NSN 5998-01-226-3553
NSN 5905-00-915-4477
NSN 6220-00-027-5303
NSN 6240-00-603-6662
NSN 5920-01-463-8484
NSN 6610-00-762-8290
NSN 5925-00-906-3157