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 6650-01-616-9298
NSN 5915-01-186-0464
NSN 5835-00-221-6628
NSN 5895-00-153-8328
NSN 6320-01-445-8192
NSN 5930-00-139-6663
NSN 6105-00-982-7555
NSN 5945-01-125-2417
NSN 5998-00-141-1955
NSN 5999-00-152-7998
NSN 5835-00-341-5441
NSN 5905-01-194-5262