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 6240-00-079-0112
NSN 6645-01-577-7932
NSN 5998-01-406-5427
NSN 5960-01-106-3086
NSN 5895-01-145-0532
NSN 5915-00-209-5184
NSN 5915-00-421-5756
NSN 5835-01-268-1924
NSN 6105-00-196-4957
NSN 2925-01-384-4139
NSN 5895-00-033-7634
NSN 6645-01-298-3811