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 5835-01-038-1191
NSN 6150-01-361-9028
NSN 5996-01-383-7018
NSN 6145-01-027-1454
NSN 7035-00-417-2967
NSN 4140-00-996-2248
NSN 5925-00-353-0612
NSN 5999-01-502-4716
NSN 5895-00-165-6598
NSN 2925-00-730-3115
NSN 5985-00-145-2962
NSN 5960-00-503-4000