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 5910-00-392-6822
NSN 5985-01-422-0466
NSN 5975-00-301-1537
NSN 6110-01-386-6720
NSN 6220-01-088-8709
NSN 2925-01-197-7864
NSN 6220-00-929-8612
NSN 5935-01-020-6935
NSN 5905-00-672-9313
NSN 6685-00-290-0212
NSN 6110-01-116-3397
NSN 5935-00-298-2004