Smith-Cooper® Slip-On Flange, Raised Face, Series: S1014SO, 2-1/2 in Nominal, 2.94 in Inside Dia, 0.88 in Thickness, 5-1/2 in Bolt Circle, 4 Bolt Holes, 3/4 in, 7 in Outside Dia, 150 lb, 3.56 in Hub Dia, 1.12 in Length Through Hub, Forged 304/304L Stainless Steel