Aluminum alloy ams4117, anodized per mil-a-8625 type 1, class 1, hardcoat per mil-a-8625 type 3, class 1 o-ring flanges, shape flanged tube, dim., 1.830 in. Min, 1.840 in. Max o/a lg, 0.665 in.Min, 0.685 in. Max right flange od, 0.060 in. Min, 0.061 in. Max right flange thk, 0.4780 in. Min, 0.4790 in. Max left end and center flange od, 0.055 in. Min, 0.060 in. Max flange thk, 0.300 in. Min, 0.320 in. Max body od, 0.130 in. Min, 0.150 in. Max body id