| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| HOLE DIAMETER | 0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.454 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ0S0633,FS 1060 TO FS 1080 CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL |
| NONDEFINITIVE SPEC/STD DATA | C TYPE |
| STYLE DESIGNATOR | COUNTERSINK EXTERNAL TEETH |
| SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |