Flange, 1 in Nominal Pipe Size, Female NPT, 4 3/16 in Flange Outside Diameter, 5/8 in Flange Thickness, Schedule 80, Class Class 150, For Pipe Schedule 80, Polypropylene, 150 psi Maximum Operating Pressure, -20 Degrees to 150 Degrees F, Number of Bolt Holes 4, 3 1/8 in Bolt Circle Diameter, 5/8 in Bolt Hole Diameter, 1 3/16 in Overall Length, 11 1/2 Flange Fitting Threading, Black