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 5920-00-007-5165
NSN 5925-00-035-8469
NSN 6685-00-141-4300
NSN 5996-00-608-6425
NSN 5910-01-502-9833
NSN 5945-01-513-1498
NSN 4140-01-290-4026
NSN 5935-01-112-3373
NSN 6685-00-772-0468
NSN 5855-00-129-6055
NSN 6135-01-255-9129
NSN 5998-01-041-1230