This FKM-GF O-Ring has a diameter of 541x6.99 mm and is Black in color. The hardness of this O-ring 541x6.99 - FKM - FPM - Viton - 70 Shore A - Black - ORS232250 is 70 Shore A. Alternative names for the compound are Viton® - FKM, and it is commonly produced by Viton® - Du Pont - 3M - Solvay - Daikin. The O-Ring is typically used in and has an operating temperature range from -15 ºC to 200 ºC. O-Rings 873994 are referred to as 232250 and have a DIN 3771 size of 541x6.99. This item is equivalent to and has an approval. The chemical name of this O-Ring is Fluorocarbon Rubber.