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 5945-01-291-5511
NSN 6685-01-395-1702
NSN 6320-01-183-8196
NSN 6150-01-127-3334
NSN 6650-01-467-8818
NSN 6610-00-296-3574
NSN 5835-01-356-6945
NSN 6150-01-285-7368
NSN 6135-01-512-8740
NSN 5910-01-601-4756
NSN 6320-00-725-0754
NSN 5985-01-444-7801