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 5835-01-502-9228
NSN 5950-01-134-9806
NSN 6685-01-644-4166
NSN 5855-01-264-4610
NSN 6135-01-477-2744
NSN 5835-01-328-6626
NSN 5998-00-588-5643
NSN 5975-01-214-6556
NSN 5895-01-537-1255
NSN 5925-00-553-9899
NSN 6135-00-087-5300
NSN 6610-01-108-2241