Full Face Flange Gasket Gasket Material FKM Insert Material Not Applicable For Pipe Size 3/4 in For Flange ANSI Class 150 Color Black Inside Diameter 1 1/16 in Minimum Operating Temperature -20 Degrees F Maximum Operating Temperature 450 Degrees F Outside Diameter 3 7/8 in Thickness 1/8 in Number of Bolt Holes 4 Bolt Hole Diameter 5/8 in Product Type Full-Face Gasket Metal Detectable Gasket No Hardness Not Rated Includes Mounting Hardware No For Fluid Type Chemicals