| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY 1981 SURFACE TREATMENT |
| FASTENER LENGTH | 0.188 INCHES NOMINAL |
| HEAD DIAMETER | 0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM |
| HEAD HEIGHT | 0.038 INCHES MINIMUM AND 0.047 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
| INTERNAL DRIVE STYLE | SLOT |
| MINIMUM TENSILE STRENGTH | 56000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| NONDEFINITIVE SPEC/STD DATA | 6 TABLE |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | K7766-BS 1981 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE |
| SCREW MATERIAL | STEEL |
| SCREW SURFACE TREATMENT | ZINC |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | K0379-DTD 903 GOVERNMENT STD/SPEC SINGLE TREATMENT RESPONSE |
| THREAD LENGTH | 0.146 INCHES NOMINAL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 40 |
| THREAD SERIES DESIGNATOR | UNC |