| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM82.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.250 INCHES NOMINAL0.250 INCHES NOMINAL |
| HEAD DIAMETER | 0.156 INCHES MINIMUM AND 0.156 INCHES MINIMUM AND 0.172 INCHES MAXIMUM0.172 INCHES MAXIMUM |
| HEAD STYLE | OVAL COUNTERSUNKOVAL COUNTERSUNK |
| INTERNAL DRIVE STYLE | SLOTSLOT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | COPPER ALLOY OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1 TYPE AND 65 STYLE65 STYLE |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.086 INCHES0.086 INCHES |
| NONMACHINE THREAD STYLE | WOOD SCREW (TYPE WD)WOOD SCREW (TYPE WD) |
| SURFACE TREATMENT | CHROMIUM OVERALLCHROMIUM OVERALL |