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 5996-01-379-7978
NSN 6145-01-110-4218
NSN 5920-01-107-0838
NSN 5985-01-344-4835
NSN 6110-01-453-8245
NSN 5998-01-347-9176
NSN 6105-01-521-2593
NSN 5990-01-426-6590
NSN 6610-01-313-8296
NSN 5915-00-757-8633
NSN 5975-01-110-4375
NSN 5905-01-298-9500