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 5960-01-112-8273
NSN 5905-00-528-9975
NSN 4140-01-398-8180
NSN 5965-00-439-6287
NSN 5998-01-656-5118
NSN 5930-00-949-6556
NSN 6145-01-437-0945
NSN 6685-00-886-1135
NSN 5835-01-222-2437
NSN 5998-01-282-2319
NSN 5910-00-452-0436
NSN 6105-00-766-1068