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 5915-00-158-5380
NSN 5965-01-660-9081
NSN 5915-01-281-8559
NSN 2925-00-520-9546
NSN 5996-01-099-2841
NSN 5975-01-053-8308
NSN 6145-01-393-8103
NSN 5960-00-171-9575
NSN 2925-01-327-3069
NSN 5835-01-580-0446
NSN 6620-01-364-0195
NSN 5925-01-561-4264