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 5990-00-391-6207
NSN 6150-01-465-3464
NSN 6620-00-930-5615
NSN 6610-01-165-3750
NSN 5996-01-236-8436
NSN 6150-00-316-3223
NSN 6130-00-407-0644
NSN 4140-01-072-8326
NSN 6320-01-082-2970
NSN 6220-01-586-5625
NSN 6150-01-472-3023
NSN 5999-00-159-8639