| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM |
| GRIP LENGTH | 1.250 INCHES NOMINAL |
| HEAD MAJOR DIAMETER | 0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4130 OR STEEL COMP 4140 OVERALL |
| SHANK DIAMETER | 0.2655 INCHES MINIMUM AND 0.2666 INCHES MAXIMUM |
| SHEAR STRENGTH | 95000 SINGLE POUNDS PER SQUARE INCH |
| SHANK STYLE | ERR-090 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 1 CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416 TY 2 CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |