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Back CENTER FUSELAGE FRAME STRUCTURE | Up TM-1-1520-238-23-2 Helicopter Attack AH-64A Apache (NSN 1520-01-106-9519) (EIC: RHA) Manual | Next FUSELAGE SIDE SKIN PLATES |
TM 1-1520-238-23
2-50
2.15.
AFT FUSELAGE FRAME STRUCTURE
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M04-0009
CAUTION
DO NOT INSTALL CONDITION O MATERIAL.
HEAT TREAT TO CONDITION SHOWN AFTER FORMING.
Item
Material
Specification
Condition
Thickness
(inches)
1
2024 AL ALY
QQ-A-250/4
T42
0.032
2
2024 AL ALY
QQ-A-250/4
T42
0.040
3
7075 AL ALY
QQ-A-250/12
T6
0.040
4
7075 AL ALY
QQ-A-250/12
T6
0.050
5
7075 AL ALY
QQ-A-250/12
T6
0.100
6
2024 AL ALY
QQ-A-250/4
T42
0.071
7
Forging
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