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 6135-01-502-5787
NSN 5998-00-288-5533
NSN 5999-01-655-7768
NSN 5905-01-174-4447
NSN 5998-00-955-5901
NSN 5915-00-621-0425
NSN 5950-00-348-2700
NSN 5895-01-579-3791
NSN 6130-01-424-7616
NSN 6145-00-327-4770
NSN 2925-01-541-7217
NSN 7035-00-756-4374