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 5999-01-413-5729
NSN 7035-01-470-2220
NSN 5998-01-225-3246
NSN 5975-01-072-1890
NSN 6240-01-104-6698
NSN 6650-01-069-5464
NSN 5950-00-225-8849
NSN 5835-01-198-2221
NSN 5960-00-925-9032
NSN 5855-00-252-5743
NSN 4140-01-390-6348
NSN 6610-01-515-4967