Waluminum alloy, qq-a-601, composition 356, temper t6, anodized, paintall over except machined area, min total paint thk 0.003, 1.620 in. Min, 1.625 in. Max w large end, 1.375 in. W small end, two 0.249 in. Min, 0.255in. Max diameter through holes in-line large end, two 0.200 in. Min, 0.205 in. Maxdia through holes in-line small end, holes spaced 1.000 in. By 1.900 in. Inboss, 0.50 in. Diameter boss both sides, 0.25 in. W boss, two 0.077 in. Min, 0.082 in. Max diameter through oil holes in-line small end above boss one side
