| ATTACHMENT METHOD | MOUNTING HOLE |
| BACKLASH DESIGNATION | GRADE E |
| BODY STYLE | PLAIN, SOLID |
| BORE NOMINAL DIAMETER | 0.500 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| FACE NOMINAL WIDTH | 0.125 INCHES |
| HUB NOMINAL DIAMETER | 0.750 INCHES FIRST END |
| HUB NOMINAL DIAMETER | 1.500 INCHES SECOND END |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| MATERIAL | ALUMINUM OVERALL |
| PITCH DIAMETER | 2.5417 INCHES NOMINAL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.112 INCHES TRANSVERSELY THROUGH FACE |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 40 TRANSVERSELY THROUGH FACE |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH FACE |
| MOUNTING HOLE TYPE AND QUANTITY | 3 THREADED TRANSVERSELY THROUGH FACE |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.063 INCHES SECOND END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.188 INCHES FIRST END |
| NOMINAL OVERALL LENGTH | 0.375 INCHES |
| NOMINAL OUTSIDE DIAMETER | 2.583 INCHES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 9 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| TEETH QUANTITY | 122 |
| TOOTH FORM | STANDARD |