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 5945-01-268-1280
NSN 5996-00-098-3864
NSN 5930-01-453-0533
NSN 5965-00-405-3793
NSN 6650-01-596-8058
NSN 6650-01-097-3940
NSN 7035-01-387-0493
NSN 5945-01-290-4370
NSN 5996-01-141-1989
NSN 5965-01-289-5729
NSN 6645-01-083-4759
NSN 6685-00-889-1579