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 5920-00-317-2219
NSN 5835-01-005-8564
NSN 7035-00-731-8729
NSN 6150-00-636-8938
NSN 5915-01-060-3715
NSN 7035-00-335-7283
NSN 6685-01-330-4313
NSN 5935-01-098-2197
NSN 5930-00-738-8534
NSN 5960-00-106-2121
NSN 5855-01-232-6883
NSN 4140-00-860-9142