| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY RECESS NOMINAL DEPTH | 0.1250 INCHES FIRST END |
| BODY STYLE | PLAIN, SOLID |
| BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| FACE NOMINAL WIDTH | 0.187 INCHES |
| HUB NOMINAL DIAMETER | 0.625 INCHES SECOND END |
| HUB STYLE DESIGNATOR | PLAIN SECOND END |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-994 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | COPPER ALLOY OVERALL |
| PITCH ANGLE | 65.8125 DEGREES |
| PITCH DIAMETER | 1.2500 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.138 INCHES TRANSVERSELY THROUGH HUB SECOND END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB SECOND END |
| MOUNTING HOLE TYPE AND QUANTITY | 1 PLAIN AND 1 THREADED TRANSVERSELY THROUGH HUB SECOND END |
| MOUNTING HOLE NOMINAL DIAMETER | 0.089 INCHES TRANSVERSELY THROUGH HUB SECOND END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES SECOND END |
| NOMINAL OUTSIDE DIAMETER | 1.2750 INCHES |
| NOMINAL OVERALL LENGTH | 0.490 INCHES |
| STYLE DESIGNATOR | PERIPHERAL FACE, BACK HUB PROTRUDING |
| TEETH QUANTITY | 40 |
| TEETH TYPE | STRAIGHT |