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 6620-01-275-9777
NSN 5905-01-175-1763
NSN 5996-01-434-0922
NSN 5945-01-507-9784
NSN 6320-01-141-3791
NSN 5975-01-205-6997
NSN 6145-00-141-8095
NSN 5910-00-754-0444
NSN 5915-00-781-3019
NSN 5996-01-367-4209
NSN 5835-00-454-7239
NSN 6135-00-145-8884