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 7035-00-153-3826
NSN 4140-00-910-3425
NSN 5920-00-797-3711
NSN 6145-01-110-4219
NSN 6110-00-525-3418
NSN 5975-01-568-2328
NSN 5960-00-458-9575
NSN 5935-01-356-2569
NSN 6650-01-087-7921
NSN 6620-00-383-8740
NSN 5920-01-345-9086
NSN 6145-01-130-9585