Rockwell hardness on cap nut end only
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. All or part of the unthreaded section is greater than the maximum major diameter of the largest threaded section. It may be thread relieved. Excludes items with tapered threads. See also stud, locked in.
NSN 6135-01-505-1293
NSN 6220-00-271-9553
NSN 6650-01-162-5882
NSN 6320-01-148-8125
NSN 5945-01-200-7300
NSN 5950-01-244-2407
NSN 6620-00-179-9079
NSN 6220-01-616-4492
NSN 6105-00-469-7976
NSN 6150-00-559-4335
NSN 7035-01-215-2449
NSN 6320-01-567-9792