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 5975-00-107-1853
NSN 5945-00-435-3479
NSN 5895-01-447-4256
NSN 5855-01-598-7392
NSN 6220-00-520-0333
NSN 4140-00-264-5796
NSN 5910-01-442-3647
NSN 7035-01-658-1623
NSN 5930-00-940-6762
NSN 5996-01-342-6853
NSN 6645-01-418-1657
NSN 6130-01-381-2238