Sterling Seal CRG7540.400.031.150X10 7540 Vegetable Fiber Ring Gasket, 1/32" Thick, Pressure Class 150#, 4" Pipe Size, Tan (Pack of 5): Amazon.com: Industrial & Scientific
10pcs 1 1/4 Flat Gaskets Washer O Rings Water Heater Seal Silicon Avirulent Insipidity: Amazon.com: Industrial & Scientific
Amazon.com: uxcell Nylon Flat Washers M5 10mm OD 5mm ID 1mm Thickness Sealing Gasket for Faucet Pipe Water Hose, Clear, Pack of 50 : Industrial & Scientific