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 5998-01-177-5411
NSN 5999-01-187-0154
NSN 5915-01-388-2755
NSN 5895-00-531-3598
NSN 6240-00-594-7138
NSN 5935-01-201-0881
NSN 5999-01-465-2150
NSN 5990-01-633-9503
NSN 5905-01-500-9857
NSN 5999-01-434-4074
NSN 5935-00-268-3774
NSN 5945-01-386-1164