| COUNTERSINK HEIGHT | 0.060 INCHES NOMINAL |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 0.875 INCHES NOMINAL |
| HEAD HEIGHT | 0.004 INCHES MINIMUM AND 0.006 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| HEAD MINOR DIAMETER | 0.321 INCHES MINIMUM AND 0.326 INCHES MAXIMUM |
| HEAD STYLE | UNDERSIZED OVAL COUNTERSUNK |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| SHANK DIAMETER | 0.250 INCHES NOMINAL |
| SHANK STYLE | STRAIGHT |
| SPECIFICATION/STANDARD DATA | 80205-NAS1097 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT | ANODIZE OVERALL |