| APERTURE DIAMETER | 3.0000 INCHES MINIMUM AND 3.0010 INCHES MAXIMUM |
| BODY DIAMETER | 4.4960 INCHES MINIMUM AND 4.4970 INCHES MAXIMUM |
| BODY THICKNESS | 0.7192 INCHES NOMINAL |
| BOLT CIRCLE HOLE QUANTITY | 2 |
| FIRST COUNTERBORE DEPTH | 0.4100 INCHES MINIMUM AND 0.4150 INCHES MAXIMUM |
| FIRST COUNTERBORE DIAMETER | 3.3710 INCHES MINIMUM AND 3.3730 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | COPPER ALLOY 903 OVERALL |
| MINOR THICKNESS | 1.3687 INCHES NOMINAL |
| MOUNTING HOLE ARRANGEMENT STYLE | SINGLE BOLT HOLE CIRCLE |
| MOUNTING HOLE DIAMETER | 0.3281 INCHES NOMINAL |
| MOUNTING HOLE TYPE | ROUND, UNTHREADED |
| OUTSIDE DIAMETER | 4.8125 INCHES NOMINAL |
| OVERALL THICKNESS | 2.2812 INCHES NOMINAL |
| SECOND COUNTERBORE DEPTH | 0.5000 INCHES NOMINAL |
| SECOND COUNTERBORE DIAMETER | 3.0020 INCHES MINIMUM AND 3.0040 INCHES MAXIMUM |
| SPECIAL FEATURES | MOUNTING HOLES 0.3125 IN. DEEP; OD THREADED 4.8125 IN. DIA US-2A |
| STYLE DESIGNATOR | ROUND |