| MATERIAL | ALUMINUM ALLOY 2219 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAT TREATMENT | T-81 SOLUTION HEAT TREATED OVERALL |
| HEAD STYLE | UNDERSIZED OVAL COUNTERSUNK |
| HEAD HEIGHT | 0.003 INCHES MINIMUM AND |
| 0.005 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.2251 INCHES MINIMUM AND |
| 0.2469 INCHES MAXIMUM |
| HEAD MINOR DIAMETER | 0.185 INCHES MINIMUM AND |
| 0.195 INCHES MAXIMUM |
| COUNTERSINK HEIGHT | 0.0372 INCHES NOMINAL |
| COUNTERSINK ANGLE | 99.5 DEGREES MINIMUM AND |
| 100.5 DEGREES MAXIMUM |
| SHANK STYLE | STRAIGHT W/RADIUS CHAMFERED TIP |
| FASTENER LENGTH | 0.521 INCHES MINIMUM AND |
| 0.541 INCHES MAXIMUM |
| SHANK DIAMETER | 0.155 INCHES MINIMUM AND |
| 0.158 INCHES MAXIMUM |
| SPECIAL FEATURES | COLOR VIOLET |