SAE AMS 4408A:2018-02-12

Aluminum Alloy, Plate (7140-T7651) 6.6Zn - 1.8Cu - 2.0Mg - 0.10Zr Solution Heat Treated, Stress Relieved, and Overaged

This specification covers an aluminum alloy in the form of plate 4.000 to 10.000 inch (101.6 to 254.0 mm), inclusive, in nominal thickness (see 8.5).