| APERTURE DIAMETER | 3.951 INCHES MINIMUM AND 3.955 INCHES MAXIMUM |
| BOLT CIRCLE HOLE QUANTITY | 4 |
| CROSS-SECTIONAL SHAPE STYLE | RAISED SURFACE W/ APERTURE |
| PROPRIETARY CHARACTERISTICS | PACS |
| MOUNTING BOLT CIRCLE DIAMETER | 8.250 INCHES NOMINAL |
| MOUNTING HOLE ARRANGEMENT STYLE | SINGLE BOLT HOLE CIRCLE |
| MOUNTING HOLE TYPE | ROUND, THREADED |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| OUTSIDE DIAMETER | 9.250 INCHES NOMINAL |
| OUTSIDE RAISED SURFACE DIAMETER | 7.082 INCHES MINIMUM AND 7.085 INCHES MAXIMUM |
| OVERALL THICKNESS | 1.125 INCHES NOMINAL |
| RAISED SURFACE HEIGHT | 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
| SPECIAL FEATURES | 0.750 INCH WIDE GROOVE ON RAISED SURFACE FACE; TWO GROOVES ON BORE,0.125 INCH WIDE |
| STYLE DESIGNATOR | ROUND |
| SURFACE FINISH | 63.0 MICROINCHES BORE |
| SURFACE FINISH | 63.0 MICROINCHES INNER FACE AS MOUNTED |
| THREAD QUANTITY PER INCH | 13 |
| THREAD SERIES DESIGNATOR | UNC |