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 6145-00-281-8161
NSN 6105-01-023-6822
NSN 2925-01-004-1683
NSN 6220-01-387-1764
NSN 5910-00-059-3730
NSN 6150-01-006-3235
NSN 5975-01-289-2744
NSN 5965-01-441-0858
NSN 6150-01-436-8502
NSN 6130-00-823-2560
NSN 5998-01-090-9056
NSN 6135-00-235-1938