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 5965-01-348-8761
NSN 5920-00-030-5712
NSN 6110-01-088-7198
NSN 5915-01-100-2097
NSN 5999-01-628-0054
NSN 5915-00-636-9785
NSN 5985-00-844-5436
NSN 5998-01-496-7497
NSN 5950-01-425-5820
NSN 6145-00-196-4886
NSN 5855-01-240-4958
NSN 6320-00-553-8427