| ATTACHMENT METHOD | MOUNTING HOLE | 
| BODY STYLE | PLAIN, WITH LIGHTENING HOLES | 
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 10.750 INCHES AXIALLY THROUGH BODY FIRST END | 
| BORE NOMINAL DIAMETER | 10.313 INCHES BOTH ENDS | 
| BORE STYLE | W/COUNTERBORE FIRST END | 
| COUNTERBORE NOMINAL DIAMETER | 11.250 INCHES FIRST END | 
| COUNTERBORE NOMINAL DEPTH | 0.250 INCHES FIRST END | 
| FACE NOMINAL WIDTH | 0.468 INCHES | 
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | 
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL | 
| PITCH DIAMETER | 20.0000 INCHES NOMINAL | 
| MOUNTING HOLE NOMINAL DIAMETER | 0.193 INCHES AXIALLY THROUGH BODY FIRST END | 
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.190 INCHES AXIALLY THROUGH BODY FIRST END | 
| MOUNTING HOLE THREAD QUANTITY PER INCH | 32 AXIALLY THROUGH BODY FIRST END | 
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF AXIALLY THROUGH BODY FIRST END | 
| MOUNTING HOLE TYPE AND QUANTITY | 8 PLAIN  AND 2 THREADED AXIALLY THROUGH BODY FIRST END | 
| NOMINAL OUTSIDE DIAMETER | 20.083 INCHES | 
| PRESSURE ANGLE | 14.5000 DEGREES | 
| STYLE DESIGNATOR | HUBLESS | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | 
| SURFACE TREATMENT | OXIDE FILM OVERALL | 
| TEETH QUANTITY | 480 | 
| TOOTH FORM | STANDARD |