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 6685-01-519-8845
NSN 5998-00-633-5169
NSN 5905-01-199-5617
NSN 6145-01-426-8976
NSN 5950-01-617-9147
NSN 6650-01-421-2762
NSN 6150-01-453-7884
NSN 5920-00-823-0139
NSN 5835-01-024-3653
NSN 5895-01-565-3710
NSN 6145-01-060-8807
NSN 6145-00-438-8979