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 6150-01-065-7747
NSN 6150-00-514-0899
NSN 5996-00-222-6049
NSN 5915-01-326-1470
NSN 6650-00-891-7950
NSN 2925-01-575-7376
NSN 5996-01-328-8018
NSN 5945-00-786-5543
NSN 6610-01-307-6363
NSN 5975-01-534-6693
NSN 5930-01-104-5295
NSN 5905-00-582-7031