| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BYSURFACE TREATMENT |
| FASTENER LENGTH | 0.750 INCHES NOMINAL |
| HEAD DIAMETER | 0.257 INCHES MINIMUM AND 0.279 INCHES MAXIMUM |
| HEAD STYLE | OVAL COUNTERSUNK |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 6S STYLE |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.138 INCHES |
| NONMACHINE THREAD STYLE | WOOD SCREW (TYPE WD) |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613 COMP 1 OR 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL OR QQ-W-321 COMP 6 OR 7 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | COPPER ALLOY OVERALL |
| SURFACE TREATMENT | NICKEL OVERALL |