| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BORE NOMINAL DIAMETER | 0.393 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| FACE NOMINAL WIDTH | 0.187 INCHES |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM HUB |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM TEETH |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| HUB NOMINAL DIAMETER | 0.620 INCHES FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 416 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 416 OVERALL |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 40 TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.112 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.296 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 1.956 INCHES |
| PITCH DIAMETER | 1.9156 INCHES MINIMUM AND 1.9166 INCHES MAXIMUM |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| TEETH QUANTITY | 92 |
| TOOTH FORM | STANDARD |