| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 3.910 INCHES MINIMUM AND 4.000 INCHES MAXIMUM |
| HEAD DIAMETER | 0.437 INCHES MINIMUM AND 0.491 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MATERIAL | STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1108 OR STEEL COMP 1109 OR STEEL COMP 1110 OR STEEL COMP 1115 OR STEEL COMP 1116 OR STEEL COMP 1117 OR STEEL COMP 1118 OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 2C STYLE |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.242 INCHES |
| SPECIAL FEATURES | HEAD STYLE:FLAT COUNTERSUNK NO. A199 FROM OLD FIIG A003A; NONMACHINE THREAD STYLE:GIMLET POINT NO. C13 FROM OLD FIIG A003A; INTERNAL DRIVE LOCATION:HEAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR MIL-C-81562,TYPE 2,CLASS 3 MIL SPEC 1ST TREATMENT RESPONSE OR ASTM B633,TYPE 2,CLASS 3 ASSN STD 2ND TREATMENT RESPONSE OR MIL-C-81562,TYPE 2,CLASS 3 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL |