| COUNTERSINK ANGLE | 148.0 DEGREES MINIMUM AND 150.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM |
| HEAD HEIGHT | 0.058 INCHES NOMINAL |
| HEAD STYLE | COUNTERSUNK W/ REVERSE CHAMFER |
| HEAD MAJOR DIAMETER | 0.458 INCHES MINIMUM AND 0.478 INCHES MAXIMUM |
| HOLE DEPTH | 0.203 INCHES MINIMUM AND 0.204 INCHES MAXIMUM |
| HOLE DIAMETER | 0.173 INCHES MINIMUM AND 0.183 INCHES MAXIMUM |
| MATERIAL | COPPER ALLOY 270 OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 13 TYPE AND F GRADE |
| SHANK DIAMETER | 0.244 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
| SHANK STYLE | TUBULAR |
| SHEAR STRENGTH | 35000 SINGLE POUNDS PER SQUARE INCH |