| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYLE DESIGNATOR | RECESSED |
| HOLE DIAMETER | 16.60 MILLIMETERS MINIMUM AND |
| 17.03 MILLIMETERS MAXIMUM |
| OUTSIDE DIAMETER | 28.38 MILLIMETERS MINIMUM AND |
| 28.90 MILLIMETERS MAXIMUM |
| RECESS DIAMETER | 19.20 MILLIMETERS MINIMUM AND |
| 19.60 MILLIMETERS MAXIMUM |
| MATERIAL THICKNESS | 2.50 MILLIMETERS NOMINAL |
| RECESS ANGLE | 44.0 DEGREES MINIMUM AND |
| 46.0 DEGREES MAXIMUM |