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 5998-01-243-6926
NSN 5915-00-450-8721
NSN 6610-01-019-5827
NSN 6620-00-435-1448
NSN 6240-01-420-6495
NSN 6645-01-188-5237
NSN 5945-01-604-8977
NSN 5915-00-070-8692
NSN 6105-01-271-4645
NSN 5975-01-196-8744
NSN 6150-01-551-5358
NSN 5920-00-919-8520