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 5930-01-455-5145
NSN 6685-00-279-3620
NSN 6130-01-349-8603
NSN 6685-01-274-4659
NSN 7035-01-327-4456
NSN 5945-01-486-4400
NSN 5945-01-462-1555
NSN 5950-00-811-3290
NSN 6130-01-501-0673
NSN 6135-01-486-9940
NSN 6220-01-010-3958
NSN 5996-01-345-5181