| BEARINGS | NOT INCLUDED |
| BORE DIAMETER | 0.8750 INCHES NOMINAL |
| BORE LENGTH | 1.313 INCHES NOMINAL |
| BORE FEATURE | INCLUDED |
| BORE TYPE | STRAIGHT |
| COUNTERBORE FEATURE | NOT INCLUDED |
| DESIGN FORM | WEBBED |
| DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.555 INCHES NOMINAL |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 1.063 INCHES NOMINAL AA END AND 0.281 INCHES NOMINAL BB END |
| FACE WIDTH | 2.094 INCHES NOMINAL |
| GROOVE DEPTH | 0.422 INCHES NOMINAL |
| GROOVE QUANTITY | 4 |
| GROOVE SHAPE | V |
| GROOVE WIDTH | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| HUB END OUTSIDE DIAMETER AND LOCATION | 1.500 INCHES NOMINAL BOTH ENDS |
| INTEGRAL COOLING VANE | INCLUDED |
| KEYWAY WIDTH | 0.251 INCHES MINIMUM AND 0.256 INCHES MAXIMUM |
| KEYING FACILITY | INCLUDED |
| KEYING FACILITY TYPE | KEYWAY |
| LIGHTENING HOLE | NOT INCLUDED |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-I-652, CLASS 30 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON CAST UNS F12101 OVERALL |
| OUTSIDE DIAMETER | 4.000 INCHES NOMINAL |
| OVERALL LENGTH | 2.375 INCHES NOMINAL |
| SPECIAL FEATURES | BORE,FACE AND HUB ENDS TO HAVE 0.125 MICROINCH RMS FINISH |
| QUANTITY | 1 |
| SPLIT HUB FEATURE | NOT INCLUDED |
| STYLE DESIGNATOR | WEBBED OR SPOKED |
| SURFACE TREATMENT | PHOSPHATE |
| V GROOVE ANGLE IN DEG | 36.0 |
| WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | OFFSET |