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 5915-01-211-7777
NSN 6150-01-492-0296
NSN 6105-00-036-5138
NSN 5985-00-088-5145
NSN 5935-00-276-9413
NSN 5930-01-163-8061
NSN 4140-01-056-4453
NSN 2925-01-587-3956
NSN 5965-01-062-3492
NSN 5990-01-259-7138
NSN 5965-01-155-3131
NSN 5920-01-392-8908