This FKM - FPM - Viton - FDA 21 CFR 177.2600 - EC1935/2004 O-Ring has a diameter of 7.64x1.63 mm and is Brown in color. The hardness of this O-ring 7.64x1.63 - FKM - FPM - Viton - FDA 21 CFR 177.2600 - EC1935/2004 - 90 Shore A - Brown - ORS53262 is 90 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 -20 ºC to 205 ºC. O-Rings 500182 are referred to as 53262 and have a DIN 3771 size of 7.64x1.63. This item is equivalent to and has an FDA 21 CFR 177.2600 - EC1935/2004 approval. The chemical name of this O-Ring is Fluorocarbon Rubber.