| ATTACHMENT METHOD | MOUNTING HOLE |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 0.906 INCHES AXIALLY THROUGH HUB, FIRST END |
| BORE STYLE | W/COUNTERBORE BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.241 INCHES BOTH ENDS |
| FACE NOMINAL WIDTH | 0.150 INCHES |
| FIRST STEP NOMINAL DIAMETER | 1.250 INCHES FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 6061 OVERALL |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 56 AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 3 THREADED AXIALLY THROUGH HUB, FIRST END |
| PITCH DIAMETER | 3.2812 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| TEETH QUANTITY | 105 |
| TOOTH FORM | STANDARD |