| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| COUNTERSINK HEIGHT | 0.0452 INCHES MINIMUM AND 0.0453 INCHES MAXIMUM |
| HEAD HEIGHT | 0.0050 INCHES MINIMUM AND 0.0070 INCHES MAXIMUM |
| HEAD MINOR DIAMETER | 0.2150 INCHES MINIMUM AND 0.2250 INCHES MAXIMUM |
| HEAD STYLE | UNDERSIZED OVAL COUNTERSUNK |
| HEAD MAJOR DIAMETER | 0.2960 INCHES MINIMUM AND 0.3000 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-Q-430 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | ALUMINUM ALLOY OVERALL |
| SHANK DIAMETER | 0.2438 INCHES MINIMUM AND 0.2440 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT W/CHAMFERED TIP |