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 6130-01-463-2874
NSN 6610-01-010-0276
NSN 4140-01-417-5404
NSN 5960-00-371-9941
NSN 6685-00-835-2744
NSN 5950-01-398-3531
NSN 6135-01-408-9244
NSN 5905-00-790-8608
NSN 5965-01-123-3770
NSN 5985-00-727-4376
NSN 6220-00-419-0635
NSN 5905-00-349-7055