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 5990-01-303-6110
NSN 5895-00-846-3304
NSN 5998-01-553-5735
NSN 5915-01-433-2405
NSN 5945-00-193-8096
NSN 5985-00-275-2830
NSN 5930-01-591-5905
NSN 6620-01-130-3139
NSN 5999-01-545-7739
NSN 5996-01-147-7378
NSN 2925-01-197-7864
NSN 5910-00-679-9556