TM 1-1520-238-23
2-48
2.13.
FORWARD FUSELAGE FRAME STRUCTURE – continued
Item
Material
Specification
Condition
Thickness
(inches)
1
7075 AL CLAD
QQ-A-250/13
T6
0.040
2
7075 AL ALY
QQ-A-250/12
T6
0.040
3
7075 AL ALY
QQ-A-250/12
T6
0.080
4
7075 AL ALY
QQ-A-250/12
T6
0.071
5
2024 AL ALY
QQ-A-250/4
T42
0.050
6
2024 AL ALY
QQ-A-250/4
T6
0.040
7
2024 AL ALY
QQ-A-250/4
T42
0.040
8
Forging
9
2042 AL ALY
QQ-A-250/4
T62
0.050
