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 5996-01-459-8014
NSN 6610-01-364-8295
NSN 5930-01-446-2634
NSN 6685-01-495-4289
NSN 6130-01-239-4122
NSN 6685-01-063-3115
NSN 5990-01-012-8062
NSN 6145-01-317-5139
NSN 4140-01-555-0876
NSN 5935-00-100-0101
NSN 6610-01-433-2219
NSN 6620-01-571-7727