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 6320-01-564-0893
NSN 6320-00-238-9973
NSN 6240-00-698-5822
NSN 6650-01-421-2762
NSN 5925-01-364-2566
NSN 5910-01-024-5066
NSN 5855-01-417-3250
NSN 5998-01-320-1544
NSN 5910-01-589-9747
NSN 7035-00-946-2642
NSN 6150-01-334-5218
NSN 5915-01-422-4620