This FFKM - FFPM O-Ring has a diameter of 142x7 mm and is Black in color. The hardness of this O-ring 142x7 - FFKM - FFPM - F909ZED - AED - Norsok M710 - 90 Shore A - Black - ORS178459 is 90 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 280 ºC. O-Rings 552023 are referred to as 178459 and have a DIN 3771 size of 142x7. This item is equivalent to and has an AED - Norsok M710 approval. The chemical name of this O-Ring is Perfluoroelastomer.