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 5920-01-195-7563
NSN 5920-01-411-5512
NSN 6150-01-344-2344
NSN 6320-01-428-9205
NSN 6620-01-363-8362
NSN 5930-01-013-2465
NSN 5965-01-607-5753
NSN 5945-01-124-2457
NSN 6320-01-067-0474
NSN 5855-01-385-8846
NSN 5950-01-224-8124
NSN 6220-01-496-9019