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 6645-01-157-9103
NSN 5895-01-254-2012
NSN 6610-00-580-3930
NSN 5920-01-264-3171
NSN 5999-01-441-0811
NSN 6135-00-112-8637
NSN 5930-01-232-4612
NSN 7035-00-803-3056
NSN 5910-01-188-8442
NSN 5925-01-129-1352
NSN 5999-01-258-3649
NSN 6130-00-881-2272