MOR-5X2.5 - Hercules for o-rings, hydraulic seals, cylinders
Amazon.com: SUOFEILAIMU-MI CS2.65mm 50pcs FKM Rubber O Ring ID 34.5/35.5/36.5/37.5/38.5/40x2.65mm O-Ring Fluorine Gasket Oil Seal Green ORing (Size : ID36.5x2.65mm) : Industrial & Scientific