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 5905-01-209-1885
NSN 5945-00-794-9935
NSN 5930-01-472-2026
NSN 6110-01-328-2217
NSN 5998-00-451-8579
NSN 6105-00-394-6803
NSN 6105-00-664-1292
NSN 5960-01-470-1579
NSN 6240-01-477-8330
NSN 6240-01-059-3563
NSN 5930-01-573-8232
NSN 6135-01-472-9011