| COUNTERSINK ANGLE | 118.5 DEGREES MINIMUM AND 121.5 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| HEAD STYLE | DISHED COUNTERSUNK |
| HEAD MAJOR DIAMETER | 0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 7075 OVERALL |
| MINIMUM TENSILE STRENGTH | 68000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 58000 POUNDS PER SQUARE INCH |
| SHANK DIAMETER | 0.186 INCHES MINIMUM AND 0.189 INCHES MAXIMUM |
| SHEAR STRENGTH | 46000 SINGLE POUNDS PER SQUARE INCH |
| SHANK STYLE | STRAIGHT W/CHAMFERED TIP |
| SURFACE TREATMENT | ANODIZE OVERALL |