| ATTACHMENT METHOD | MOUNTING HOLE |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 4.225 INCHES AXIALLY THROUGH HUB, FIRST END |
| BORE NOMINAL DIAMETER | 2.378 INCHES BOTH ENDS |
| BORE STYLE | W/COUNTERBORE COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DEPTH | 0.450 INCHES COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 3.844 INCHES COUNTERBORE, FIRST END |
| FACE NOMINAL WIDTH | 0.625 INCHES |
| HUB NOMINAL DIAMETER | 4.580 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-C-20159,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | COPPER ALLOY 964 OVERALL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.196 INCHES AND 0.188 INCHES AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 4 COUNTERBORED AND 4 PLAIN AXIALLY THROUGH HUB, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.350 INCHES FIRST END |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPECIAL FEATURES | COUNTERBORE DIA: 3.844 IN. NOM AND 2.750 IN. NOM |
| STYLE DESIGNATOR | PROTRUDING HUB |
| SURFACE TREATMENT | OXIDE OVERALL |
| TOOTH FORM | STANDARD |