| BEARINGS | NOT INCLUDED |
| BOLT CIRCLE DIAMETER | 4.125 INCHES NOMINAL |
| BORE LENGTH | 0.250 INCHES NOMINAL |
| BORE DIAMETER | 3.500 INCHES NOMINAL |
| BORE FEATURE | INCLUDED |
| BORE TYPE | STRAIGHT |
| COUNTERBORE DEPTH | 0.250 INCHES NOMINAL |
| COUNTERBORE DIAMETER | 4.812 INCHES MINIMUM AND 4.816 INCHES MAXIMUM |
| COUNTERBORE FEATURE | INCLUDED |
| COUNTERBORE LOCATION | AA END |
| DESIGN FORM | WEBBED |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.626 INCHES NOMINAL BB END |
| DRILLED HOLE DIAMETER | 0.406 INCHES MINIMUM AND 0.416 INCHES MAXIMUM |
| FACE WIDTH | 2.186 INCHES NOMINAL |
| GROOVE QUANTITY | 4 |
| GROOVE SHAPE | V |
| GROOVE WIDTH | 0.441 INCHES NOMINAL |
| GROOVE DEPTH | 0.323 INCHES NOMINAL |
| HOLE LOCATION | ON HUB FACE |
| HUB END OUTSIDE DIAMETER AND LOCATION | 5.250 INCHES NOMINAL AA END |
| INTEGRAL COOLING VANE | NOT INCLUDED |
| KEYING FACILITY | NOT INCLUDED |
| LIGHTENING HOLE | NOT INCLUDED |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-A-21180,A356 OR C355,CLASS 1,2,OR 3,GRADE D MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | ALUMINUM ALLOY A356.0 OR ALUMINUM ALLOY C355.0 OVERALL |
| PITCH DIAMETER | 11.525 INCHES MINIMUM AND 11.535 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 12.079 INCHES MINIMUM AND 12.119 INCHES MAXIMUM |
| SECURING HOLE QUANTITY | 8 |
| SECURING LOCATION | AA END |
| SECURING METHOD | DRILLED HOLE |
| SPLIT HUB FEATURE | NOT INCLUDED |
| STYLE DESIGNATOR | WEBBED OR SPOKED |
| SURFACE TREATMENT | ANODIZE |
| V GROOVE ANGLE IN DEG | 62.0 |
| WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | OFFSET |