Used on tf-33 aircraft engine. matl steel, AMS6322; hardness RC35.0-40.0; nickel cadmium plate, AMS2416 modified per pwa-s-2416; length 12.835-12.837 in.; 0.496-0.497 in. dia 5 lands; 0.410-0.420 in. dia 4 grooves; threaded 0.500-20 unf-3a modified majordia. 0.4919-0.4970; used on the compressor rotor-front
