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 5920-01-575-9204
NSN 5925-00-608-0973
NSN 6685-01-612-4411
NSN 5935-00-797-3957
NSN 6650-01-607-5817
NSN 6105-01-469-7054
NSN 4140-01-299-3357
NSN 6145-00-141-3888
NSN 5905-01-474-0472
NSN 5835-00-523-0736
NSN 5930-01-317-2209
NSN 5960-01-640-9971