| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, WITH LIGHTENING HOLES |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 0.375 INCHES AXIALLY THROUGH HUB, FIRST END |
| BORE STYLE | W/COUNTERBORE BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.187 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DIAMETER | 0.562 INCHES SECOND END |
| COUNTERBORE NOMINAL DEPTH | 0.625 INCHES SECOND END |
| END NOMINAL DIAMETER | 0.250 INCHES FIRST END |
| END NOMINAL LENGTH | 0.062 INCHES FIRST END |
| FACE NOMINAL WIDTH | 0.125 INCHES |
| FIRST STEP NOMINAL DIAMETER | 0.375 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.113 INCHES FIRST END |
| HUB STYLE DESIGNATOR | 2 STEPS FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-728,CLASS A,COMP 1/2 HARD /D/ FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | COPPER ALLOY 675 OVERALL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.109 INCHES AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 2 PLAIN AXIALLY THROUGH HUB, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.800 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 2.438 INCHES |
| PITCH DIAMETER | 2.3750 INCHES NOMINAL |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SECOND STEP NOMINAL DIAMETER | 0.812 INCHES FIRST END |
| SECOND STEP NOMINAL LENGTH | 0.625 INCHES FIRST END |
| STYLE DESIGNATOR | PROTRUDING HUB |
| TEETH QUANTITY | 76 |
| TOOTH FORM | STANDARD |