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 6130-00-347-7023
NSN 6610-01-221-2606
NSN 5835-01-580-0446
NSN 6135-01-136-8306
NSN 5915-00-378-5585
NSN 6150-01-199-6289
NSN 5990-01-432-4249
NSN 5975-01-431-8814
NSN 5985-00-081-9142
NSN 6110-00-419-9810
NSN 6650-01-052-7121
NSN 5998-01-376-3292