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 6685-01-421-1113
NSN 5930-00-798-0009
NSN 5975-01-093-3890
NSN 6110-00-331-8472
NSN 5985-01-232-9241
NSN 6610-00-051-0989
NSN 6130-01-460-8885
NSN 5965-00-686-7067
NSN 6610-00-394-1427
NSN 5960-00-057-4778
NSN 6685-01-496-3349
NSN 6240-01-064-9727