| Copper Alloy UNS No. | CDA Alloy No. | Former QQ-C-390 Alloy No. |
|---|---|---|
| C86300 | 863 | C7 |
| C86500 | 865 | C3 |
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MIL-HDBK-5J, Metallic Materials and Elements for Aerospace Vehicle Structures
Last Updated 29 Oct 2026
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| Copper Alloy UNS No. | CDA Alloy No. | Former QQ-C-390 Alloy No. |
|---|---|---|
| C86300 | 863 | C7 |
| C86500 | 865 | C3 |