| MATERIAL | STEEL COMP 4140 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| TEETH QUANTITY | 128 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| PITCH DIAMETER | 7.9980 INCHES MINIMUM AND |
| 8.0000 INCHES MAXIMUM |
| NOMINAL OUTSIDE DIAMETER | 8.1210 INCHES |
| FACE NOMINAL WIDTH | 0.343 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.640 INCHES FIRST END |
| BORE STYLE | W/ KEYWAY BOTH ENDS |
| BORE NOMINAL DIAMETER | 2.8753 INCHES BOTH ENDS |
| KEYWAY NOMINAL WIDTH | 0.1562 INCHES BOTH ENDS |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.5315 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | 2 STEPS FIRST END |
| END NOMINAL LENGTH | 0.812 INCHES FIRST END |
| END NOMINAL DIAMETER | 3.750 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.796 INCHES FIRST END |
| FIRST STEP NOMINAL DIAMETER | 4.625 INCHES FIRST END |
| SECOND STEP NOMINAL LENGTH | 0.032 INCHES FIRST END |
| SECOND STEP NOMINAL DIAMETER | 7.000 INCHES FIRST END |
| BODY STYLE | PLAIN, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 6 THREADED AXIALLY THROUGH BODY, SECOND END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF AXIALLY THROUGH BODY, SECOND END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.250 INCHES AXIALLY THROUGH BODY, SECOND END |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 4.750 INCHES AXIALLY THROUGH BODY, SECOND END |
| SPECIAL FEATURES | COUNTERBORE LOCATION SECOND END; COUNTERBORE DIAMETER 3.8750 IN.; COUNTERBORE DEPTH 0.7340 IN. |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 10001 |
| DESIGN CONTROL REFERENCE | 493618PC1 |