Teadit, NSF-61 SAN 1082, Full Face Gasket, Pipe Size: 1(1) Inches (2.54Cm), Thickness: 1/16(0.062) Inches (1.5748mm), Pressure: 150# (psi), Inner Diameter: 1 5/16(1.3125)Inches (3.33375Cm), Outer Diameter: 4 1/4(4.25)Inches (10.795Cm), With 4 - 5/8(0.625) (1.5875Cm) Bolt Holes, Part Number: CFF1082.100.062.150