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 5935-01-476-2502
NSN 6650-00-220-2839
NSN 5996-01-121-2567
NSN 6685-01-543-8220
NSN 5990-01-164-8673
NSN 5998-01-310-8725
NSN 6650-01-274-6621
NSN 5930-01-471-8460
NSN 6150-00-279-6042
NSN 6610-01-141-7014
NSN 6645-01-268-7265
NSN 5925-01-367-4425