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 6105-00-740-7757
NSN 6150-01-573-9758
NSN 5905-00-051-6703
NSN 6620-01-421-3917
NSN 5915-00-580-2716
NSN 6145-01-164-4716
NSN 5895-01-308-3771
NSN 6645-01-107-2615
NSN 6620-01-006-4899
NSN 6130-01-173-8758
NSN 5975-00-614-9686
NSN 5999-01-545-3682