| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAT TREATMENT | T-4 SOLUTION HEAT TREATED OVERALL |
| SHEAR STRENGTH | 37000 SINGLE POUNDS PER SQUARE INCH |
| HEAD STYLE | UNDERSIZED OVAL COUNTERSUNK |
| HEAD HEIGHT | 0.004 INCHES MINIMUM AND |
| 0.006 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.275 INCHES MINIMUM AND |
| 0.302 INCHES MAXIMUM |
| HEAD MINOR DIAMETER | 0.198 INCHES MINIMUM AND |
| 0.208 INCHES MAXIMUM |
| COUNTERSINK HEIGHT | 0.046 INCHES NOMINAL |
| COUNTERSINK ANGLE | 99.5 DEGREES MINIMUM AND |
| 100.5 DEGREES MAXIMUM |
| SHANK STYLE | STRAIGHT |
| FASTENER LENGTH | 0.615 INCHES MINIMUM AND |
| 0.635 INCHES MAXIMUM |
| SHANK DIAMETER | 0.186 INCHES MINIMUM AND |
| 0.189 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 80205-NAS1097 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |