| FASTENER LENGTH | 0.219 INCHES NOMINAL |
| HEAD HEIGHT | 0.050 INCHES MINIMUM AND 0.053 INCHES MAXIMUM |
| HEAD STYLE | BUTTON |
| HEAD MAJOR DIAMETER | 0.124 INCHES MINIMUM AND 0.129 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2117 OVERALL |
| SHANK DIAMETER | 0.062 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE FILM OVERALL |