QQ-A-250/30, MIL-A-8920 (plate)

Alloy Temper Size and Thickness
2219 T-31 Bare 4 × 4 × 0.050 / Hole
2219 T-31 Bare 3 × 10 × 0.050
2219 T81 Bare 4” x 4” x 0.063 with hole
2219 Bare T-31 4 × 4 × 0.050 with ¼” hole
2219 Bare T-31 3 × 10 × 0.050
2219 Bare T-81 4 X 4 X 0.063 with ¼” hole