This FFKM - FFPM O-Ring has a diameter of 42.2 x 1.5 mm and is Black in color. The hardness of this O-ring 42.2x1.5 - FFKM - FFPM - F757Z75 - High Temp (>330°) - 75 Shore A - Black - ORS220030 is 75. 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 340 ºC. O-Rings 594078 are referred to as 220030 and have a DIN 3771 size of 42.2 x 1.5. This item is equivalent to and has an High Temp (>330°) approval. The chemical name of this O-Ring is Perfluoroelastomer.