| BOLT CIRCLE HOLE QUANTITY | 6 |
| COUNTERBORE DIAMETER | 3.1815 INCHES MINIMUM AND 3.1820 INCHES MAXIMUM |
| COUNTERBORE DEPTH | 1.595 INCHES MINIMUM AND 1.605 INCHES MAXIMUM |
| COUNTERSINK DIAMETER | 0.280 INCHES MINIMUM AND 0.291 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 98.0 DEGREES MINIMUM AND 102.0 DEGREES MAXIMUM |
| CROSS-SECTIONAL SHAPE STYLE | COUNTERBORED W/O APERTURE |
| OUTSIDE DIAMETER | 3.490 INCHES MINIMUM AND 3.510 INCHES MAXIMUM |
| OVERALL THICKNESS | 1.745 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 6061 OVERALL |
| MINOR THICKNESS | 0.237 INCHES NOMINAL |
| MOUNTING BOLT CIRCLE DIAMETER | 2.937 INCHES NOMINAL |
| MOUNTING HOLE DIAMETER | 0.148 INCHES MINIMUM AND 0.159 INCHES MAXIMUM |
| MOUNTING HOLE TYPE | ROUND, UNTHREADED, COUNTERSUNK |
| STYLE DESIGNATOR | ROUND |