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 6320-01-160-8578
NSN 6150-00-371-9431
NSN 5975-00-674-8339
NSN 5960-01-504-3415
NSN 5835-00-518-2740
NSN 6240-01-462-5433
NSN 5935-00-477-6624
NSN 5835-00-233-6327
NSN 5965-01-632-6690
NSN 5985-01-123-5383
NSN 5998-00-509-5069
NSN 6130-01-507-1201