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|---|---|
| Spec or Alloy | AMS 4646 |
| Base | Aluminum Alloy |
| Form(s) | Sheet, Plate |
| Alloy(s) | 5.6Zn-2.5Mg-1.6Cu-0.23Cr |
| Characteristics | Alclad One Side, Solution and Precipitation Heat Treated, T6 (Sheet), T651 (Plate) |
| Similar | FED-QQ-A-250/18F |
| UNS Number | UNS A87075 |