| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND |
| AISI/SAE 8620H ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND |
| 63.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 23 |
| TOOTH FORM | STUB |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| PITCH DIAMETER | 4.6000 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 4.885 INCHES |
| FACE NOMINAL WIDTH | 1.188 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.187 INCHES FIRST END |
| BORE STYLE | W/COUNTERBORE BOTH ENDS |
| BORE NOMINAL DIAMETER | 2.312 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 1.187 INCHES FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 2.898 INCHES FIRST END |
| HUB NOMINAL DIAMETER | 3.875 INCHES FIRST END |
| BODY STYLE | PLAIN, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE NOMINAL DIAMETER | 0.187 INCHES TRANSVERSELY THROUGH FACE |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 19207 |
| DESIGN CONTROL REFERENCE | 7414254 |