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 5950-01-129-6405
NSN 7035-01-076-9621
NSN 5895-01-409-2949
NSN 6150-01-181-5612
NSN 6620-01-246-4314
NSN 5895-00-174-4442
NSN 6645-01-037-4735
NSN 5945-01-244-8435
NSN 5996-01-148-9926
NSN 5950-01-410-7685
NSN 6320-01-176-8367
NSN 5990-00-716-7796