| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 87.0 DEGREES MAXIMUM | 
| FASTENER LENGTH | 0.703 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | 
| HEAD DIAMETER | 0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM | 
| HEAD STYLE | FLAT COUNTERSUNK | 
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | 
| MATERIAL | STEEL OVERALL | 
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 2C STYLE | 
| NONMACHINE NOMINAL THREAD DIAMETER | 0.138 INCHES | 
| NONMACHINE THREAD STYLE | WOOD SCREW (TYPE WD) | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE  OR QQ-Z-325,TY 2,CL3 FED SPEC 2ND TREATMENT RESPONSE OVERALL | 
| SURFACE TREATMENT | CADMIUM  AND CHROMATE  OR ZINC OVERALL |