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 5999-00-752-1044
NSN 5910-00-213-8204
NSN 2925-01-493-3245
NSN 6145-00-487-9233
NSN 6105-00-466-9032
NSN 6150-01-229-6816
NSN 5985-00-518-1748
NSN 4140-01-201-4359
NSN 5925-01-037-3324
NSN 5960-01-003-5819
NSN 5855-01-352-7033
NSN 5998-01-067-8823