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 6150-01-062-3608
NSN 5895-00-518-1593
NSN 6685-00-466-8879
NSN 5930-01-160-0235
NSN 6320-01-225-0178
NSN 5905-00-235-1917
NSN 6105-00-047-4939
NSN 5999-00-840-8803
NSN 5985-00-146-4868
NSN 5965-00-226-0209
NSN 5985-01-100-1821
NSN 6130-01-463-2249