| CONCENTRIC HOLE DEPTH | 0.780 INCHES MINIMUM AND 0.840 INCHES MAXIMUM |
| CONCENTRIC HOLE DIAMETER | 0.162 INCHES MINIMUM AND 0.182 INCHES MAXIMUM |
| FASTENER LENGTH | 0.950 INCHES MINIMUM AND 0.990 INCHES MAXIMUM |
| HEAD HEIGHT | 0.160 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| HOLE CONFIGURATION STYLE | HEXAGON FLATS |
| HOLE DIAMETER | 0.046 INCHES MINIMUM AND 0.056 INCHES MAXIMUM |
| HOLE QUANTITY | 2 |
| HOLE TYPE | DRILLED |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6-T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| NOMINAL THREAD DIAMETER | 0.438 INCHES |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-2625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.590 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 20 |
| WIDTH BETWEEN FLATS | 0.684 INCHES MINIMUM AND 0.692 INCHES MAXIMUM |