| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY RECESS NOMINAL DEPTH | 0.250 INCHES SECOND END |
| BODY STYLE | WEBBED, OFFSET, WITH LIGHTENING HOLES |
| BORE STYLE | W/COUNTERBORE COUNTERBORE, FIRST END |
| BORE NOMINAL DIAMETER | 1.250 INCHES COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 2.3755 INCHES COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DEPTH | 0.280 INCHES COUNTERBORE, FIRST END |
| FACE NOMINAL WIDTH | 0.690 INCHES |
| HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM TEETH |
| HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM BODY |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| HUB NOMINAL DIAMETER | 2.6200 INCHES FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8620 OVERALL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.250 INCHES AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED AXIALLY THROUGH BODY, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.120 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 3.1635 INCHES |
| PITCH DIAMETER | 3.0000 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB, RECESSED BODY |
| TEETH QUANTITY | 30 |
| TOOTH FORM | STANDARD |