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 6685-01-315-1860
NSN 6220-00-655-2863
NSN 6145-01-204-7021
NSN 5975-01-433-3563
NSN 5920-00-063-0505
NSN 5945-00-142-0005
NSN 6620-00-221-5576
NSN 4140-00-701-0406
NSN 5999-01-253-5231
NSN 6105-01-444-1170
NSN 6610-01-166-4860
NSN 5950-01-420-5166