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 5920-00-427-7267
NSN 6240-00-270-8182
NSN 5998-00-139-4637
NSN 6105-01-634-0322
NSN 5998-01-323-9159
NSN 6320-01-377-5701
NSN 6150-01-579-2946
NSN 5930-01-442-8302
NSN 5855-01-380-9950
NSN 6240-00-071-1280
NSN 5925-01-061-4101
NSN 5965-01-495-1170