This FKM - FPM - Viton O-Ring has a diameter of 31.12 x 5.33 mm and is Brown in color. The hardness of this O-ring 31.12x5.33 - FKM - FPM - Viton - FDA - EC1935/2004 - 3A Sanitary - 75 Shore A - Brown - ORS200649 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 1331281 are referred to as 200649 and have a DIN 3771 size of 31.12 x 5.33. This item is equivalent to and has an FDA - EC1935/2004 - 3A Sanitary approval. The chemical name of this O-Ring is Fluorocarbon Rubber.