| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 1.000 INCHES NOMINAL |
| HEAD HEIGHT | 0.037 INCHES NOMINAL |
| HEAD STYLE | COOPER'S (INCLUDED ANGLE - 135 DEG AND OVER) |
| HEAD MAJOR DIAMETER | 0.239 INCHES MINIMUM AND 0.246 INCHES MAXIMUM |
| HEAT TREATMENT | T-81 SOLUTION HEAT TREATED OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2219 OVERALL |
| SHANK DIAMETER | 0.156 INCHES NOMINAL |
| SHANK STYLE | STRAIGHT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8525, COLOR-VIOLET MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |