QQ-A-200 E - QQ-A-200E (AMENDMENT 1), FEDERAL SPECIFICATION: ALUMINUM ALLOY, BAR, ROD, SHAPES, STRUCTURAL SHAPES,TUBE AND WIRE, EXTRUDED: GENERAL SPECIFICATION FOR (21 FEB 1983) [S/S BY ASTM-B241/B241M, ASTM-B221, ASTM-B308/B308M AND SAE-AMS-QQ-A-200]