| APERTURE DIAMETER | 1.338 INCHES MINIMUM AND 1.358 INCHES MAXIMUM |
| APERTURE SHAPE | ROUND |
| FEATURES PROVIDED | APERTURE |
| OUTSIDE DIAMETER | 4.370 INCHES NOMINAL4.370 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY 2024 |
| MOUNTING HOLE DIAMETER | 0.126 INCHES MINIMUM AND 0.133 INCHES MAXIMUM FIRST HOLE |
| MOUNTING HOLE DIAMETER | 0.163 INCHES MINIMUM AND 0.172 INCHES MAXIMUM ALL HOLES |
| MOUNTING HOLE DIAMETER | 0.558 INCHES MINIMUM AND 0.572 INCHES MAXIMUM THIRD HOLE |
| MOUNTING HOLE DIAMETER | 0.268 INCHES MINIMUM AND 0.270 INCHES MAXIMUM SECOND HOLE |
| MOUNTING HOLE QUANTITY | 11 |
| MOUNTING HOLE TYPE | UNTHREADED |
| SHAPE | ROUND |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | CHROMATE |
| THICKNESS | 0.090 INCHES NOMINAL0.090 INCHES NOMINAL |