| FASTENER LENGTH | 0.438 INCHES NOMINAL |
| HEAD HEIGHT | 0.107 INCHES MINIMUM AND 0.117 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.509 INCHES MINIMUM AND 0.525 INCHES MAXIMUM |
| HEAD STYLE | UNIVERSAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE WASHER |
| MATERIAL | ALUMINUM ALLOY 2017 WASHER |
| SHANK DIAMETER | 0.2500 INCHES MINIMUM AND 0.2525 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT W/RADIUS CHAMFERED TIP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE WASHER |
| SURFACE TREATMENT | CHROMATE WASHER |