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 2925-01-419-3805
NSN 5945-01-313-1355
NSN 5910-00-082-0989
NSN 5996-01-207-5058
NSN 5950-01-371-1296
NSN 5905-01-364-1160
NSN 5960-01-491-2993
NSN 5935-01-569-4359
NSN 5855-00-941-3037
NSN 6105-00-153-0238
NSN 6130-01-235-2824
NSN 6610-01-601-1833