| APERTURE DIAMETER | 3.310 INCHES MINIMUM AND 3.370 INCHES MAXIMUM |
| BOLT CIRCLE HOLE QUANTITY | 6 |
| CROSS-SECTIONAL SHAPE STYLE | RAISED SURFACE W/ APERTURE |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM |
| OUTSIDE DIAMETER | 4.780 INCHES NOMINAL |
| OUTSIDE RAISED SURFACE DIAMETER | 3.995 INCHES NOMINAL |
| OVERALL THICKNESS | 0.413 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 CL 420 CD A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MOUNTING HOLE DIAMETER | 0.230 INCHES NOMINAL |
| MOUNTING HOLE TYPE | ROUND, UNTHREADED |
| RAISED SURFACE HEIGHT | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| SPECIAL FEATURES | MTG HOLE SPACES IRREGULAR |
| STYLE DESIGNATOR | ROUND |
| SURFACE TREATMENT | PAINT OVERALL EXCLUDING BORE OR APERTURE |