| COUNTERSINK ANGLE | 118.5 DEGREES MINIMUM AND 121.5 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM |
| HEAD HEIGHT | 0.061 INCHES NOMINAL |
| HEAD MAJOR DIAMETER | 0.356 INCHES MINIMUM AND 0.358 INCHES MAXIMUM |
| HEAD STYLE | COUNTERSUNK W/ REVERSE CHAMFER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430,T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 7050 OVERALL |
| MINIMUM TENSILE STRENGTH | 68000 POUNDS PER SQUARE INCH |
| SHANK DIAMETER | 0.249 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT W/RADIUS CHAMFERED TIP |
| SHEAR STRENGTH | 41000 SINGLE POUNDS PER SQUARE INCH |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMATE OVERALL |