All characteristics data proprietary; surface finish 16.0 microinch on plain end; 32.0 microinch internal; 250.0 microinch external; external flange on right end; 0.938 in. Dia; 0.125 in. Thick; 4 shoulders 2 undercuts between ends; smallest diameter 0.625 in.; largest diameter 0.6692 min 0.6695 max in.; one 0.664-32uns 3a threaded shoulder; flat keyway located on shoulder behind flange; 0.791 in. Lg; 0.1895 min 0.1915 max in. W; 0.0822 min 0.0875 max in. Depth; internal flat root; side fit; involute spline data: 11 teeth; 0.3438 in. Pitch dia; 0.5 in. Pitch fraction; 0.2977 in. Base circle dia; 30 degrees pressure angle; 0.375 in. Min form dia; 0.045 in. Wire size; 0.2955 in. Max lg between 2 wires; 0.001 in. Max profile variation; 0.0003 in. Max lead variation; army cognizant service
An item designed to transfer rotary motion from a rotor, turbine, nonaircraft gas turbine engine to a rotor, compressor, nonaircraft gas turbine engine and/or a rotor, fan, nonaircraft gas turbine engine. It may include the hub, turbine, nonaircraft gas turbine engine. It may include provisions for mounting bearings and/or seals.
Classification: Parts of nonaircraft gas turbines
NSN 6650-00-262-2324
NSN 4140-01-486-2839
NSN 5975-00-232-1785
NSN 5915-01-123-3759
NSN 5996-01-533-3219
NSN 5855-01-100-3272
NSN 6145-01-588-1220
NSN 5935-01-434-5099
NSN 2925-01-303-5266
NSN 5990-01-369-3380
NSN 5925-00-636-5683
NSN 6645-00-972-5239