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 5920-00-484-8074
NSN 6220-00-395-5225
NSN 7035-00-535-8109
NSN 6130-01-262-7092
NSN 6135-01-633-8502
NSN 5965-00-583-4865
NSN 5915-00-486-0928
NSN 5835-00-779-2836
NSN 2925-01-533-7904
NSN 5985-01-195-6134
NSN 5990-00-042-3413
NSN 5996-01-367-3631