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 4140-00-099-9205
NSN 6645-01-014-9205
NSN 5990-01-272-4091
NSN 5945-01-356-5621
NSN 5930-01-019-1995
NSN 6240-01-429-7830
NSN 6110-01-344-4153
NSN 5960-00-204-7506
NSN 5915-01-515-3092
NSN 6105-00-838-5929
NSN 5930-00-621-5397
NSN 5895-00-782-6391