Flange, Raised, 3/4 in Nominal Pipe Size, Flanged x FNPT, 5 1/8 in Flange Outside Diameter, 5 1/8 in Overall Length, Stainless Steel, Plain, 316, Class Class 1500, For Pipe Schedule Schedule XXH, 2, 400 psi @ 72 Degrees F Maximum Operating Pressure, Number of Bolt Holes 4, 3 1/2 in Bolt Circle Diameter, 3/4 in Bolt Hole Diameter