| FASTENER LENGTH | 0.276 INCHES MINIMUM AND 0.296 INCHES MAXIMUM |
| HEAD HEIGHT | 0.030 INCHES MINIMUM AND 0.038 INCHES MAXIMUM |
| HEAD STYLE | OVAL/TRUSS |
| HEAD MAJOR DIAMETER | 0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2017 OVERALL |
| SHANK DIAMETER | 0.156 INCHES MINIMUM AND 0.162 INCHES MAXIMUM |
| SHANK STYLE | TAPERED CONICAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMATE OVERALL |