| MATERIAL | STEEL COMP 8642H OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND |
| 29.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 41 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | FLUSH HUB |
| PITCH DIAMETER | 10.2500 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 10.722 INCHES |
| FACE NOMINAL WIDTH | 3.000 INCHES |
| BORE STYLE | W/COUNTERBORE COUNTERBORE, FIRST END |
| BORE NOMINAL DIAMETER | 3.626 INCHES COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DEPTH | 0.250 INCHES COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 6.501 INCHES COUNTERBORE, FIRST END |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| HUB NOMINAL DIAMETER | 7.000 INCHES FIRST END |
| 5.250 INCHES SECOND END |
| BODY STYLE | WEBBED, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 3 PLAIN AND |
| 3 THREADED TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL DIAMETER | 0.500 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.500 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| SPECIAL FEATURES | UNTHD HOLES 0.6875 IN. DEEP IN. DEEP,THD HOLES 1.125 IN. DEEP,UNTHD AND THD HOLES ALTERNATE 60 DEG APART |