"ALUMINUM ALLOY 7075 QQ-A-250/13,TO; TRIANGULAR SHAPE; L CROSS SECTION; 0.020 IN. MATL THK BY 7.200 IN. W BY 11.800 IN. LG; TRIANGULAR LIGHTENING APERATURE; W/O RIVET HOLES"
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REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
AS DIFFERENTIATED BY W/O RIVET HOLES PER SYNTHETIC SPARES FRG PROGRAM