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 6650-01-512-9650
NSN 5925-01-095-6397
NSN 2925-00-906-0421
NSN 5996-00-911-9523
NSN 5930-01-357-8871
NSN 5915-01-534-7614
NSN 5925-00-901-4931
NSN 6320-01-129-9656
NSN 6685-00-458-5300
NSN 5965-01-378-7335
NSN 6650-01-211-5628
NSN 6320-01-312-3620