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 5965-01-608-5046
NSN 5996-01-307-2756
NSN 6105-00-106-6447
NSN 5998-01-375-2094
NSN 5985-00-079-0598
NSN 6685-00-975-0041
NSN 6240-00-248-6517
NSN 6240-01-314-5700
NSN 6320-01-136-8505
NSN 5935-01-144-4559
NSN 6110-01-212-8440
NSN 6135-01-633-8502