| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BORE STYLE | PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.188 INCHES BOTH ENDS |
| FACE NOMINAL WIDTH | 0.093 INCHES |
| HUB NOMINAL DIAMETER | 0.312 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.088 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 1 PLAIN AND 1 THREADED TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.086 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 2.188 INCHES |
| PITCH DIAMETER | 2.1562 INCHES NOMINAL |
| PRECISION CLASSIFICATION | QUALITY NUMBER 5 OR QUALITY NUMBER 6 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPECIAL FEATURES | UNTHREADED MOUNTING HOLE DRILLED 0.031 INCH DEEP |
| STYLE DESIGNATOR | PROTRUDING HUB |
| SURFACE TREATMENT | ANODIZE OVERALL |
| TEETH QUANTITY | 138 |
| TOOTH FORM | STANDARD |