| FLANGE DIAMETER | 0.500 INCHES NOMINAL0.500 INCHES NOMINAL |
| FLANGE THICKNESS | 0.030 INCHES MINIMUM AND 0.030 INCHES MINIMUM AND 0.036 INCHES MAXIMUM0.036 INCHES MAXIMUM |
| HOLE DIAMETER | 0.166 INCHES MINIMUM AND 0.166 INCHES MINIMUM AND 0.172 INCHES MAXIMUM0.172 INCHES MAXIMUM |
| HOLE TYPE | PLAINPLAIN |
| INSERT STYLE | PROTRUDING FLANGEPROTRUDING FLANGE |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| SHOULDER DIAMETER | 0.306 INCHES MINIMUM AND 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM0.312 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMATE OVERALL |