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 5930-00-422-5645
NSN 6145-00-705-6686
NSN 5910-01-494-3300
NSN 6150-01-551-7253
NSN 5925-01-383-4076
NSN 5985-01-609-8155
NSN 5930-00-199-7633
NSN 5960-00-147-0519
NSN 6145-00-113-6278
NSN 5915-00-104-9960
NSN 5985-00-156-9287
NSN 6135-00-505-0679