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 5998-00-210-0309
NSN 5965-00-356-3838
NSN 5975-01-133-8937
NSN 5925-01-426-6923
NSN 7035-01-626-2223
NSN 4140-01-574-3955
NSN 5935-01-646-4021
NSN 5925-01-242-1524
NSN 5945-01-366-7948
NSN 6150-01-184-9275
NSN 6685-01-213-3183
NSN 5930-01-535-6865