This FFKM - FFPM O-Ring has a diameter of 163.8x7 mm and is White in color. The hardness of this O-ring 163,8x7 - FFKM - FFPM - F808W95 - FDA - EC1935/2004 - USP Class VI - 3A Sanitary - High Temp (>300°C) - 80 Shore A - White - ORS183778 is 80 Shore A. Alternative names for the compound are FFKM – FFPM, and it is commonly produced by . The O-Ring is typically used in and has an operating temperature range from -15 ºC to 300 ºC. O-Rings 675437 are referred to as 183778 and have a DIN 3771 size of 163.8x7. This item is equivalent to and has an FDA - EC1935/2004 - USP Class VI - 3A Sanitary - High Temp (>300°C) approval. The chemical name of this O-Ring is Perfluoroelastomer.