| COUNTERSINK ANGLE | 154.0 DEGREES NOMINAL |
| FASTENER LENGTH | 0.250 INCHES NOMINAL |
| HEAD HEIGHT | 0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM |
| HEAD STYLE | COUNTERSUNK W/ REVERSE CHAMFER |
| HEAD MAJOR DIAMETER | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| HOLE DEPTH | 0.124 INCHES NOMINAL |
| HOLE DIAMETER | 0.077 INCHES MINIMUM AND 0.082 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2117 OVERALL |
| SHANK DIAMETER | 0.124 INCHES MINIMUM AND 0.129 INCHES MAXIMUM |
| SHANK STYLE | TUBULAR |
| SURFACE TREATMENT | ANODIZE OVERALL |