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 5999-01-418-8503
NSN 5925-01-319-1648
NSN 7035-01-322-8180
NSN 6105-01-363-5281
NSN 5998-01-066-2265
NSN 6220-00-133-2155
NSN 5945-00-462-2879
NSN 5950-01-463-6152
NSN 6130-01-065-0541
NSN 5835-00-155-1379
NSN 6145-01-449-1343
NSN 6610-00-288-5655