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 5930-01-045-5531
NSN 5855-01-512-1926
NSN 5930-01-206-5559
NSN 5996-00-557-8902
NSN 6110-01-366-6236
NSN 6650-01-006-3487
NSN 5996-01-384-2115
NSN 5985-00-881-2934
NSN 5998-01-168-7972
NSN 6220-01-029-0245
NSN 6685-00-446-9272
NSN 5925-01-388-7049