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 6650-01-566-0884
NSN 5915-00-199-9554
NSN 5996-00-420-9027
NSN 5985-01-280-9217
NSN 6105-00-314-0542
NSN 5905-00-114-9936
NSN 6650-01-406-5322
NSN 6130-00-319-0796
NSN 5975-00-115-1932
NSN 5905-01-371-7524
NSN 6135-00-255-1340
NSN 5835-01-647-6426