| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, WITH LIGHTENING HOLES |
| BORE NOMINAL DIAMETER | 0.186 INCHES BOTH ENDS |
| BORE STYLE | W/COUNTERBORE COUNTER BORE SECOND END |
| COUNTERBORE NOMINAL DIAMETER | 0.563 INCHES COUNTER BORE SECOND END |
| COUNTERBORE NOMINAL DEPTH | 0.450 INCHES COUNTER BORE 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,CL A OR CL BCOMP 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | COPPER ALLOY 675 OVERALL |
| PITCH DIAMETER | 3.0000 INCHES NOMINAL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.109 INCHES TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 2 COUNTERSUNK TRANSVERSELY THROUGH HUB FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.675 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 3.041 INCHES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SECOND STEP NOMINAL DIAMETER | 0.813 INCHES FIRST END |
| SECOND STEP NOMINAL LENGTH | 0.500 INCHES FIRST END |
| STYLE DESIGNATOR | PROTRUDING HUB |
| TEETH QUANTITY | 144 |
| TOOTH FORM | STANDARD |