| ATTACHMENT METHOD | MOUNTING HOLE |
| BACKLASH DESIGNATION | GRADE C |
| BODY STYLE | PLAIN, SOLID |
| BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| END NOMINAL DIAMETER | 0.250 INCHES FIRST END |
| FACE NOMINAL WIDTH | 0.062 INCHES |
| FIRST GROOVE NOMINAL DIAMETER | 0.203 INCHES FIRST END |
| FIRST GROOVE NOMINAL WIDTH | 0.032 INCHES FIRST END |
| HUB NOMINAL DIAMETER | 0.250 INCHES FIRST END |
| HUB STYLE DESIGNATOR | 1 GROOVE FIRST END |
| MATERIAL | COPPER ALLOY OVERALL |
| PITCH DIAMETER | 0.2500 INCHES NOMINAL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.086 INCHES TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 56 TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| NOMINAL DISTANCE FROM END TO FIRST GROOVE | 0.203 INCHES FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.219 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 0.278 INCHES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPECIAL FEATURES | MTG HOLES SPACED 90 DEG APART |
| STYLE DESIGNATOR | PROTRUDING HUB |
| TEETH QUANTITY | 18 |
| TOOTH FORM | STANDARD |