| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.859 INCHES NOMINAL |
| GRIP LENGTH | 0.625 INCHES NOMINAL |
| HEAD MAJOR DIAMETER | 0.316 INCHES MINIMUM AND 0.357 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| SHANK DIAMETER | 0.1880 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, MULTIPLE GROOVED |
| SPECIFICATION/STANDARD DATA | 81205-BACB30DY MANUFACTURERS STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |