| APERTURE DIAMETER | 3.250 INCHES NOMINAL |
| BOLT CIRCLE HOLE QUANTITY | 3 |
| COUNTERBORE DEPTH | 0.090 INCHES NOMINAL |
| COUNTERBORE DIAMETER | 3.625 INCHES NOMINAL |
| CROSS-SECTIONAL SHAPE STYLE | RAISED SURFACE W/APERTURE |
| OUTSIDE DIAMETER | 8.125 INCHES NOMINAL |
| OUTSIDE RAISED SURFACE DIAMETER | 7.993 INCHES MINIMUM AND 7.998 INCHES MAXIMUM |
| OVERALL THICKNESS | 0.500 INCHES NOMINAL |
| MINOR THICKNESS | 0.410 INCHES NOMINAL |
| MOUNTING BOLT CIRCLE DIAMETER | 4.500 INCHES NOMINAL |
| MOUNTING HOLE DIAMETER | 0.295 INCHES MINIMUM AND 0.303 INCHES MAXIMUM |
| MOUNTING HOLE ARRANGEMENT STYLE | SINGLE BOLT HOLE CIRCLE |
| MOUNTING HOLE TYPE | ROUND, UNTHREADED |
| RAISED SURFACE HEIGHT | 0.450 INCHES NOMINAL |
| SPECIAL FEATURES | NO SURFACE TREATMENT ON APERTURE OF COUNTERBORE; TWO THROUGH HOLES CENTERED 2.438 IN. TO LEFT OF VERT AND 1.438 IN. ABOVE AND BELOW CL 2 IN. DIA; SLOT CENTERED 30 DEG RIGHT OF CL |
| STYLE DESIGNATOR | ROUND |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CL 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCLUDING BORE OR APERTURE |
| SURFACE TREATMENT | CHROMATE OVERALL EXCLUDING BORE OR APERTURE |