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 6645-00-171-9639
NSN 5835-01-268-1924
NSN 6105-00-948-7401
NSN 6240-00-435-0433
NSN 2925-01-327-3069
NSN 6145-00-466-4068
NSN 5935-01-605-3986
NSN 5920-01-493-7498
NSN 6130-01-442-4005
NSN 4140-00-435-5607
NSN 5950-01-265-0880
NSN 6105-01-550-4822