This FKM - FPM - Viton O-Ring has a diameter of 23x2 mm and is Green in color. The hardness of this O-ring 23x2 - FKM - FPM - Viton - 75 Shore A - Green - ORS228703 is 75 Shore A. Alternative names for the compound are Viton® - FKM, and it is commonly produced by Viton® - Du Pont - 3M - Solvay - Daikin. The O-Ring is typically used in and has an operating temperature range from -15 ºC to 200 ºC. O-Rings 688981 are referred to as 228703 and have a DIN 3771 size of 23x2. This item is equivalent to and has an approval. The chemical name of this O-Ring is Fluorocarbon Rubber.