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 5835-00-912-5656
NSN 6685-01-063-3922
NSN 6105-01-408-4559
NSN 5920-01-204-0449
NSN 5950-01-345-4185
NSN 6650-01-181-2831
NSN 5998-01-264-7605
NSN 5985-00-541-7714
NSN 6110-01-158-0968
NSN 6135-01-321-4792
NSN 5998-01-195-1767
NSN 6110-01-408-7821