| ATTACHMENT METHOD | MOUNTING HOLE |
| BACKLASH DESIGNATION | GRADE B |
| BODY RECESS NOMINAL DEPTH | 0.015 INCHES SECOND END |
| BODY STYLE | WEBBED, OFFSET, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 3.375 INCHES AXIALLY THROUGH BODY, FIRST END |
| BORE STYLE | W/COUNTERBORE BOTH ENDS |
| BORE NOMINAL DIAMETER | 2.900 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DIAMETER | 3.125 INCHES FIRST END |
| COUNTERBORE NOMINAL DEPTH | 0.125 INCHES FIRST END |
| FACE NOMINAL WIDTH | 0.125 INCHES |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| HUB NOMINAL DIAMETER | 3.622 INCHES FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 6061 OVERALL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.112 INCHES AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 40 AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 6 THREADED AXIALLY THROUGH BODY, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.156 INCHES FIRST END |
| NOMINAL OVERALL LENGTH | 0.281 INCHES |
| NOMINAL OUTSIDE DIAMETER | 4.290 INCHES |
| SPECIAL FEATURES | 12 0.097 IN. DIA BY 0.062 IN. DEEP HOLES EQUALLY SPACED ON A 3.500 IN. DIA BOLT CIRCLE ON SECOND END OF GEAR |
| PITCH DIAMETER | 4.2500 INCHES NOMINAL |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB, RECESSED BODY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| TEETH QUANTITY | 204 |
| TOOTH FORM | STANDARD |