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 5920-01-461-6755
NSN 6135-01-218-3660
NSN 5965-01-068-2714
NSN 6620-01-107-2965
NSN 6240-01-370-4061
NSN 6135-00-180-5125
NSN 5960-00-273-3058
NSN 6130-01-616-6017
NSN 5855-01-244-9785
NSN 6110-00-260-0130
NSN 6130-00-080-7164
NSN 6150-01-371-2105