This FFKM - FFPM O-Ring has a diameter of 74.98x3 mm and is Black in color. The hardness of this O-ring 74.98x3 - FFKM - FFPM - F758ZSR - Steam - High Temp (>330°C) - 75 Shore A - Black - ORS232083 is 75 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 330 ºC. O-Rings 845390 are referred to as 232083 and have a DIN 3771 size of 74.98x3. This item is equivalent to and has an Steam - High Temp (>330°C) approval. The chemical name of this O-Ring is Perfluoroelastomer.