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 6105-00-078-2558
NSN 5990-00-444-9993
NSN 6685-01-500-4808
NSN 5920-01-423-8410
NSN 5965-01-422-1392
NSN 5935-01-068-0945
NSN 5930-01-400-6126
NSN 5920-00-177-2075
NSN 6240-01-260-8149
NSN 5996-00-918-6991
NSN 5965-01-643-9783
NSN 5950-01-392-1397