| MATERIAL | STEEL COMP 4340 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND |
| 38.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 120 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| PITCH DIAMETER | 7.5000 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 7.625 INCHES |
| FACE NOMINAL WIDTH | 0.438 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.1875 INCHES FIRST END |
| 0.093 INCHES SECOND END |
| BORE STYLE | W/ KEYWAY BOTH ENDS |
| BORE NOMINAL DIAMETER | 2.937 INCHES BOTH ENDS |
| KEYWAY NOMINAL WIDTH | 0.250 INCHES BOTH ENDS |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.593 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| HUB NOMINAL DIAMETER | 4.000 INCHES FIRST END |
| 3.187 INCHES SECOND END |
| BODY STYLE | PLAIN, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 3 THREADED AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.375 INCHES AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 16 AXIALLY THROUGH BODY, FIRST END |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 5.500 INCHES AXIALLY THROUGH BODY, FIRST END |