This FKM - FPM - Viton O-Ring has a diameter of 198x5 mm and is Brown in color. The hardness of this O-ring 198x5 - FKM - FPM - Viton - 80 Shore A - Brown - ORS203053 is 80. Alternative names for the compound are Viton® - FKM, and it is commonly produced by Viton® | Tecnoflon® | Fluorel® | Dai-El® | Fluon®. The O-Ring is typically used in and has an operating temperature range from -20 ºC to 250 ºC. O-Rings 18989 are referred to as 203053 and have a DIN 3771 size of 198x5. This item is equivalent to and has an approval. The chemical name of this O-Ring is Fluorcarbonrubber / Fluorrubber / Fluorpolymeer-elastomeer.