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 6610-01-110-1368
NSN 5998-01-217-3633
NSN 6220-00-476-9649
NSN 5915-01-167-4739
NSN 5920-01-439-2118
NSN 6610-01-381-3181
NSN 5915-01-382-5366
NSN 5930-00-791-0875
NSN 5975-01-209-4719
NSN 5985-01-332-5776
NSN 5950-01-093-2361
NSN 5935-00-642-5798