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 5855-01-042-7990
NSN 5945-00-371-4232
NSN 5835-01-434-0790
NSN 5999-01-609-7709
NSN 5910-01-649-2202
NSN 6240-01-159-5043
NSN 5960-00-840-7103
NSN 5950-00-126-5842
NSN 5895-01-169-7008
NSN 6220-00-010-5359
NSN 6135-01-582-2589
NSN 5895-01-553-2022