This FFKM - FFPM O-Ring has a diameter of 386 x 7 mm and is Black in color. The hardness of this O-ring 386x7 - FFKM - FFPM - F758Z94 - General Purpose (>270°C) - 75 Shore A - Black - ORS177502 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 -25 ºC to 270 ºC. O-Rings 537986 are referred to as 177502 and have a DIN 3771 size of 386 x 7. This item is equivalent to and has an General Purpose (>270°C) approval. The chemical name of this O-Ring is Perfluoroelastomer.