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 5996-01-581-1328
NSN 6620-00-948-6751
NSN 6240-00-778-5779
NSN 6220-01-004-2024
NSN 5975-01-370-3520
NSN 5996-00-862-1122
NSN 5835-01-089-7615
NSN 6240-00-735-7599
NSN 4140-01-562-4449
NSN 5985-01-196-6144
NSN 5945-01-494-4297
NSN 5996-01-224-9842