Viton 70-249-Black-Pk5

APG stocks the SB-V70249-5, an AS568-249 black Viton® (FKM) 70 Shore A O-Ring supplied with an inside diameter of 4.859 in (123.42 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.137 in (130.48 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. The catalog record notes: 5.125IDX4.875"ODX.125"CS.

As a material, Viton® (FKM) delivers outstanding high-temperature capability and very low compression set at elevated temperature. Expect good resistance to aromatic hydrocarbons, many acids, and chlorinated solvents. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). Exposure to hot water and steam or amines will shorten service life.

You will find this material specified across automotive fuel systems, aerospace, and semiconductor equipment.

This item is sold by the bag under part number SB-V70249-5. Nominal inside diameter is listed as 4 7/8 inch. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.