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 6135-00-248-4102
NSN 5950-01-630-2394
NSN 5965-01-303-6105
NSN 2925-01-588-3507
NSN 5950-00-553-7964
NSN 5960-01-478-9493
NSN 5895-01-437-8871
NSN 6610-01-534-6377
NSN 5985-00-705-9155
NSN 5950-01-087-3546
NSN 6150-00-483-1880
NSN 6130-01-548-6019