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 5960-01-264-2087
NSN 5935-01-042-7762
NSN 6620-00-561-9380
NSN 6145-01-634-0388
NSN 5990-00-277-3763
NSN 5999-01-518-8160
NSN 5985-00-583-8754
NSN 6610-00-277-7206
NSN 4140-00-078-9357
NSN 5935-01-004-7094
NSN 5950-00-618-0024
NSN 5920-00-212-4387