| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | WEBBED, SOLID |
| BORE STYLE | W/COUNTERBORE COUNTERBORE, FIRST END |
| BORE NOMINAL DIAMETER | 0.313 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.252 INCHES COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 0.422 INCHES COUNTERBORE, FIRST END |
| FACE NOMINAL WIDTH | 0.186 INCHES |
| FIRST GROOVE NOMINAL DIAMETER | 0.655 INCHES FIRST END |
| FIRST GROOVE NOMINAL WIDTH | 0.032 INCHES FIRST END |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| HUB NOMINAL DIAMETER | 0.437 INCHES SECOND END |
| HUB NOMINAL DIAMETER | 0.692 INCHES FIRST END |
| HUB STYLE DESIGNATOR | 1 GROOVE FIRST END |
| HUB STYLE DESIGNATOR | PLAIN SECOND END |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4320 OVERALL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.126 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 2 PLAIN TRANSVERSELY THROUGH HUB, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 0.031 INCHES SECOND END |
| NOMINAL DISTANCE FROM END TO FIRST GROOVE | 0.095 INCHES FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.252 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 0.997 INCHES |
| PITCH DIAMETER | 0.9375 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPECIAL FEATURES | END OF FIRST HUB CHAMFERED 0.015 IN. BY 45 DEGS |
| STYLE DESIGNATOR | ONE PROTRUDING HUB, ONE RECESSED HUB |
| TEETH QUANTITY | 30 |
| TOOTH FORM | STANDARD |