| STYLE DESIGNATOR | WEBBED OR SPOKED |
| OUTSIDE DIAMETER | 6.408 INCHES NOMINAL |
| OVERALL LENGTH | 1.96875 INCHES MINIMUM AND |
| 2.03125 INCHES MAXIMUM |
| PITCH DIAMETER | 6.155 INCHES NOMINAL |
| FACE WIDTH | 1.34375 INCHES MINIMUM AND |
| 1.40625 INCHES MAXIMUM |
| DESIGN FORM | WEBBED |
| WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | NOT OFFSET |
| LIGHTENING HOLE | NOT INCLUDED |
| INTEGRAL COOLING VANE | NOT INCLUDED |
| MATERIAL AND LOCATION | IRON, CAST, QQ-I-652, CLASS 35 OVERALL |
| SURFACE TREATMENT | PHOSPHATE |
| GROOVE SHAPE | V |
| GROOVE QUANTITY | 2 |
| GROOVE DEPTH | 0.5165 INCHES NOMINAL |
| GROOVE WIDTH | 0.406 INCHES NOMINAL |
| V GROOVE ANGLE IN DEG | 36.0 |
| BORE FEATURE | INCLUDED |
| BEARINGS | NOT INCLUDED |
| BORE TYPE | STRAIGHT |
| BORE DIAMETER | 1.002 INCHES MINIMUM AND |
| 1.003 INCHES MAXIMUM |
| BORE LENGTH | 2.000 INCHES NOMINAL |
| COUNTERBORE FEATURE | INCLUDED |
| COUNTERBORE LOCATION | BB END |
| COUNTERBORE DIAMETER | 2.0625 INCHES MINIMUM AND |
| 2.1875 INCHES MAXIMUM |
| COUNTERBORE DEPTH | 0.9695 INCHES NOMINAL |
| KEYING FACILITY | INCLUDED |
| KEYING FACILITY TYPE | KEYWAY |
| QUANTITY | 1 |
| KEYWAY WIDTH | 0.1885 INCHES MINIMUM AND |
| 0.1905 INCHES MAXIMUM |
| DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.5987 INCHES MINIMUM AND |
| 0.6037 INCHES MAXIMUM |
| PROTRUDING HUB CHARACTERISTIC | STEPPED |
| FIRST STEP FACE LARGEST DIAMETER AND LOCATION | 2.438 INCHES MINIMUM AA END AND |
| 3.063 INCHES MAXIMUM AA END |
| FIRST STEP LENGTH AND LOCATION | 0.625 INCHES NOMINAL AA END |
| SECOND STEP LENGTH AND LOCATION | 0.8125 INCHES NOMINAL AA END |
| HUB END OUTSIDE DIAMETER AND LOCATION | 1.744 INCHES MINIMUM AA END AND |
| 1.748 INCHES MAXIMUM AA END AND |
| 2.7485 INCHES MINIMUM BB END AND |
| 2.7495 INCHES MAXIMUM BB END |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.344 INCHES MINIMUM AA END AND |
| 0.406 INCHES MAXIMUM AA END AND |
| 0.219 INCHES MINIMUM BB END AND |
| 0.281 INCHES MAXIMUM BB END |
| SPLIT HUB FEATURE | NOT INCLUDED |
| SECURING METHOD | DRILLED HOLE |
| SECURING LOCATION | BB END |
| SECURING HOLE QUANTITY | 3 |
| BOLT CIRCLE DIAMETER | 3.400 INCHES NOMINAL |
| DRILLED HOLE DIAMETER | 0.281 INCHES NOMINAL |
| SPECIAL FEATURES | TIMING NOTCH LOCATED ON LIP OF PULLEY GROOVES BB HUB END 113 DEG 30 MIN COUNTERCLOCKWISE FROM KEYWAY |
| FSC APPLICATION DATA | CRANKSHAFT,GASOLINE ENGINE NONAIRCRAFT |
| HOLE LOCATION | LOCATED ON FACE OF PULLEY |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 19207 |
| DESIGN CONTROL REFERENCE | 9171131 |