This FFKM - FFPM O-Ring has a diameter of 28.3x1.78 mm and is Black in color. The hardness of this O-ring 28.3x1.78 - FFKM - FFPM - F606Z94 - 60 Shore A - Black - ORS87938 is 60 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 -25 ºC to 270 ºC. O-Rings 632910 are referred to as 87938 and have a DIN 3771 size of 28.3x1.78. This item is equivalent to and has an approval. The chemical name of this O-Ring is Perfluoroelastomer.