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 5996-00-065-5343
NSN 2925-01-125-9169
NSN 5998-01-461-9145
NSN 6110-01-079-4048
NSN 6240-00-227-0135
NSN 5930-01-007-9422
NSN 6110-01-039-8607
NSN 6320-01-552-8721
NSN 6650-01-435-9377
NSN 5920-01-195-7254
NSN 6240-00-266-6258
NSN 5915-01-519-2234