Merit Brass Socket Weld Flange, Raised Face, 1-1/2 in Nominal, 1.95 in Inside Dia, 0.69 in Thickness, SCH 40S Bore, 3.88 in Bolt Circle, 4 Bolt Holes, 1/2 in, 5 in Outside Dia, 150 lb, 2.56 in Hub Dia, 0.88 in Length Through Hub, 304/304L Stainless Steel, Import