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 5985-01-495-1449
NSN 5920-01-365-0934
NSN 5935-00-948-3596
NSN 2925-01-594-0198
NSN 6150-01-350-4463
NSN 6150-00-627-6636
NSN 6320-01-039-5891
NSN 5945-00-226-8560
NSN 6145-01-109-2299
NSN 6135-01-480-8121
NSN 6145-00-607-7381
NSN 6130-01-383-0071