| ATTACHMENT METHOD | MOUNTING HOLE | 
| BACKLASH DESIGNATION | GRADE C | 
| BODY RECESS NOMINAL DEPTH | 0.050 INCHES SECOND END | 
| BODY STYLE | WEBBED, OFFSET, SOLID | 
| BORE NOMINAL DIAMETER | 0.265 INCHES BOTH ENDS | 
| BORE STYLE | PLAIN BOTH ENDS | 
| FACE NOMINAL WIDTH | 0.090 INCHES | 
| HUB NOMINAL DIAMETER | 0.500 INCHES FIRST END | 
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | 
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL | 
| PITCH DIAMETER | 0.8075 INCHES MINIMUM AND 0.8175 INCHES MAXIMUM | 
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.112 INCHES TRANSVERSELY THROUGH HUB FIRST END | 
| MOUNTING HOLE NOMINAL DIAMETER | 0.043 INCHES TRANSVERSELY THROUGH HUB FIRST END | 
| MOUNTING HOLE THREAD QUANTITY PER INCH | 40 TRANSVERSELY THROUGH HUB FIRST END | 
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END | 
| MOUNTING HOLE TYPE AND QUANTITY | 1 PLAIN  AND 1 THREADED TRANSVERSELY THROUGH HUB FIRST END | 
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.222 INCHES FIRST END | 
| NOMINAL OUTSIDE DIAMETER | 0.853 INCHES | 
| NOMINAL OVERALL LENGTH | 0.312 INCHES | 
| PRECISION CLASSIFICATION | QUALITY NUMBER 8 | 
| PRESSURE ANGLE | 20.0000 DEGREES | 
| STYLE DESIGNATOR | PROTRUDING HUB, RECESSED BODY | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | 
| SURFACE TREATMENT | CHROMATE OVERALL | 
| TEETH QUANTITY | 39 | 
| TOOTH FORM | STANDARD |