| COUNTERSINK ANGLE | 78.0 DEGREES NOMINAL |
| FASTENER LENGTH | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.339 INCHES MAXIMUM |
| HEAT TREATMENT | T-6 SOLUTION HEAT TREATED OVERALL |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| MATERIAL | ALUMINUM ALLOY OVERALL |
| MINIMUM TENSILE STRENGTH | 42000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 35000 POUNDS PER SQUARE INCH |
| NONDEFINITIVE SPEC/STD DATA | 7 TYPE AND F GRADE |
| SHANK DIAMETER | 0.183 INCHES MINIMUM AND 0.194 INCHES MAXIMUM |
| SHEAR STRENGTH | 25000 SINGLE POUNDS PER SQUARE INCH |
| SHANK STYLE | STRAIGHT |