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 6145-01-544-5786
NSN 5930-00-111-1053
NSN 5920-00-060-1118
NSN 5895-00-149-0707
NSN 6320-01-547-2743
NSN 6220-01-091-2470
NSN 6610-00-822-0431
NSN 6130-00-468-6222
NSN 5925-00-105-6644
NSN 5935-01-506-1794
NSN 6645-01-055-0373
NSN 6150-01-468-0626