| COUNTERSINK HEIGHT | 0.046 INCHES NOMINAL |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 0.312 INCHES NOMINAL |
| HEAD HEIGHT | 0.004 INCHES MINIMUM AND 0.006 INCHES MAXIMUM |
| HEAD MINOR DIAMETER | 0.198 INCHES MINIMUM AND 0.208 INCHES MAXIMUM |
| HEAD STYLE | UNDERSIZED OVAL COUNTERSUNK |
| HEAD MAJOR DIAMETER | 0.275 INCHES MINIMUM AND 0.302 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2117 OVERALL |
| SHANK DIAMETER | 0.188 INCHES NOMINAL |
| SHANK STYLE | STRAIGHT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE FILM OVERALL |