| STYLE DESIGNATOR | WEBBED OR SPOKED |
| OUTSIDE DIAMETER | 4.468 INCHES NOMINAL |
| OVERALL LENGTH | 0.625 INCHES NOMINAL |
| FACE WIDTH | 0.437 INCHES NOMINAL |
| DESIGN FORM | WEBBED |
| WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | NOT OFFSET |
| LIGHTENING HOLE | NOT INCLUDED |
| INTEGRAL COOLING VANE | NOT INCLUDED |
| MATERIAL AND LOCATION | ALUMINUM ALLOY, QQ-A-270, T6-CANCELED OVERALL |
| SURFACE TREATMENT | ANODIZE |
| GROOVE SHAPE | V |
| GROOVE QUANTITY | 1 |
| GROOVE DEPTH | 0.234 INCHES NOMINAL |
| GROOVE WIDTH | 0.313 INCHES NOMINAL |
| V GROOVE ANGLE IN DEG | 54.0 |
| BORE FEATURE | INCLUDED |
| BEARINGS | INCLUDED |
| BEARING TYPE | BALL |
| BEARING QUANTITY | 1 |
| BORE TYPE | STRAIGHT |
| BORE DIAMETER | 0.3125 INCHES NOMINAL |
| BORE LENGTH | 0.625 INCHES NOMINAL |
| COUNTERBORE FEATURE | NOT INCLUDED |
| KEYING FACILITY | NOT INCLUDED |
| PROTRUDING HUB CHARACTERISTIC | STEPPED |
| FIRST STEP FACE LARGEST DIAMETER AND LOCATION | 1.250 INCHES NOMINAL BOTH ENDS |
| FIRST STEP LENGTH AND LOCATION | 0.031 INCHES NOMINAL BOTH ENDS |
| SECOND STEP LENGTH AND LOCATION | 0.187 INCHES NOMINAL BOTH ENDS |
| HUB END OUTSIDE DIAMETER AND LOCATION | 0.490 INCHES NOMINAL BOTH ENDS |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.094 INCHES NOMINAL BOTH ENDS |
| SPLIT HUB FEATURE | NOT INCLUDED |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 00539 |
| DESIGN CONTROL REFERENCE | 4832 |