| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM82.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.938 INCHES MINIMUM AND 1.938 INCHES MINIMUM AND 2.000 INCHES MAXIMUM2.000 INCHES MAXIMUM |
| HEAD DIAMETER | 0.534 INCHES MINIMUM AND 0.534 INCHES MINIMUM AND 0.537 INCHES MAXIMUM0.537 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNKFLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1CROSS RECESS TYPE 1 |
| MATERIAL | STEEL OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1 TYPE AND 2S STYLE2S STYLE |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.294 INCHES0.294 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALLQQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OR CADMIUM OR ZINC OVERALLZINC OVERALL |