| COUNTERSINK ANGLE | 118.5 DEGREES MINIMUM AND 121.5 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM |
| HEAD HEIGHT | 0.044 INCHES NOMINAL |
| HEAD STYLE | COUNTERSUNK W/ REVERSE CHAMFER |
| HEAD MAJOR DIAMETER | 0.256 INCHES MINIMUM AND 0.258 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 |
| SHANK DIAMETER | 0.186 INCHES MINIMUM AND 0.189 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT |
| SHEAR STRENGTH | 41000 SINGLE POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | CHEMICAL SURFACE TREATMENT PER MIL-C-5541, CLASS 1A. |
| SPECIFICATION/STANDARD DATA | 96906-MS14218 GOVERNMENT STANDARD |