Smith-Cooper® Weld Neck Flange, Raised Face, Series: S1014WN1, 4 in Nominal, 4.03 in Inside Dia, 9 in Outside Dia, 0.94 in Thickness, SCH 10 Bore, 7-1/2 in Bolt Circle, 8 Bolt Holes, 3/4 in, 150 lb, 5.31 in Hub Dia, 3 in Length Through Hub, Forged 304/304L Stainless Steel