| ARC NOMINAL LENGTH | 2.8750 INCHES |
| ATTACHMENT METHOD | MOUNTING HOLE |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 4.225 INCHES TRANSVERSELY THROUGH HUB, SECOND END |
| BORE NOMINAL DIAMETER | 2.378 INCHES COUNTERBORE, FIRST END |
| BORE STYLE | W/COUNTERBORE BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.270 INCHES COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 3.844 INCHES COUNTERBORE, FIRST END |
| FACE NOMINAL WIDTH | 0.625 INCHES |
| HUB NOMINAL DIAMETER | 4.5800 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-C-20159 TYPE 1 COPPER-NICKEL MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | COPPER ALLOY OVERALL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.196 INCHES AND 0.188 INCHES TRANSVERSELY THROUGH HUB, SECOND END |
| MOUNTING HOLE TYPE AND QUANTITY | 4 COUNTERBORED AND 4 PLAIN TRANSVERSELY THROUGH HUB, SECOND END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.0650 INCHES FIRST END |
| NOMINAL OUTSIDE RADIUS | 3.8750 INCHES |
| PITCH RADIUS | 3.5000 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-495 BLACK OXIDE MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |
| TEETH QUANTITY | 264 |
| TOOTH FORM | STANDARD |