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 6130-01-011-1303
NSN 6620-01-310-4916
NSN 6130-00-740-3884
NSN 2925-01-455-2558
NSN 6610-01-329-9067
NSN 5998-01-423-0365
NSN 5996-00-907-3261
NSN 5895-00-146-1809
NSN 6320-01-141-3791
NSN 5990-00-827-0684
NSN 5960-00-502-6708
NSN 6685-00-714-3585