| BODY STYLE | PLAIN, SOLID |
| BORE NOMINAL DIAMETER | 0.250 INCHES COUNTERBORE FIRST END |
| BORE STYLE | W/COUNTERBORE COUNTERBORE FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 0.375 INCHES COUNTERBORE FIRST END |
| COUNTERBORE NOMINAL DEPTH | 0.078 INCHES COUNTERBORE FIRST END |
| FACE NOMINAL WIDTH | 0.125 INCHES |
| HUB NOMINAL DIAMETER | 0.500 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PINNED FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303 OVERALL |
| PITCH DIAMETER | 1.2490 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.138 INCHES TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 32 TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.204 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 1.280 INCHES |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| TEETH QUANTITY | 80 |
| TOOTH FORM | STANDARD |