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 6135-01-200-5144
NSN 5855-00-221-9435
NSN 5895-00-143-4194
NSN 5925-01-608-3822
NSN 5999-01-421-3388
NSN 6320-00-779-5923
NSN 4140-01-483-8040
NSN 5998-01-431-5538
NSN 5895-00-353-6671
NSN 6650-01-563-8117
NSN 5835-00-958-6231
NSN 6650-00-961-9686