| FASTENER LENGTH | 0.438 INCHES NOMINAL |
| HEAD STYLE | UNIVERSAL |
| HEAD HEIGHT | 0.067 INCHES MINIMUM AND 0.077 INCHES MAXIMUM |
| SHANK DIAMETER | 0.156 INCHES NOMINAL |
| SHANK STYLE | STRAIGHT |
| HEAD MAJOR DIAMETER | 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| MATERIAL | ALUMINUM ALLOY 2117 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-W-7986 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |