| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, WITH LIGHTENING HOLES |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 1.250 INCHES AXIALLY THROUGH BODY FIRST END |
| BORE STYLE | TAPERED FIRST END |
| FACE NOMINAL WIDTH | 0.250 INCHES |
| HUB NOMINAL DIAMETER | 2.000 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 1137 AND STEEL COMP 1144 OVERALL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.196 INCHES AND 0.156 INCHES AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 3 COUNTERSUNK AND 2 PLAIN AXIALLY THROUGH BODY FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.125 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 3.688 INCHES |
| PITCH DIAMETER | 3.6458 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPECIAL FEATURES | COUNTERBORE 1ST END; 1.625 IN. DIA.; 0.187 IN. DEEP |
| STYLE DESIGNATOR | PROTRUDING HUB |
| TEETH QUANTITY | 175 |
| TOOTH FORM | STANDARD |