Sterling Seal CFF1082.750.125.150X6 Compressed Fiber SSS NSF-61 SAN 1082 Full Face Gasket, 3/4" x 1/8" Thick x #150 (Pack of 6) Certification to NSF-61 provides assurance to a highest level that SSS NA SAN 1082 supplied by Sterling Seal & Supply is safe for use in drinking water service NSF-61 SSS Compressed Fiber Sheet technology provides mechanical and service characteristics unmatched by standard elastomeric grades When a gasket is submitted for testing, the formulation is reviewed for prohibited substances, and then tested for contaminants that could leach out of the gasket into your drinking water Temperature: Continuous Service: 500F (260C),Maximum Service: 752F (400C), Pressure: Continuous Service: 1160 psi (80 bar) Maximum Service: 1595 psi (110 bar) 1-1/16" ID Nominal X 3-7/8" OD Nominal; 4 Holes, 0.625Hole Diameter, 2-3/4 Bolt Cir Diameter