Viton 75-347-Black-Pk2

APG stocks the SB-V70347-2, an AS568-347 black Viton® (FKM) 70 Shore A O-Ring with an inside diameter of 4.225 in (107.32 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.645 in (117.98 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint. The catalog record notes: 0.210CSX4.225"IDX4.645"OD.

This material stands up to engine and transmission fluids, petroleum oils and fuels, and aggressive chemicals. Viton® (FKM) is valued for the industry benchmark where nitrile reaches its thermal limit, excellent resistance to compression set and permeation. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). It should not be specified for service in amines or low-molecular-weight organic acids.

You will find this material specified across semiconductor equipment, oil and gas, and high-temperature process equipment.

Stocked as SB-V70347-2 and sold by the bag. Nominal inside diameter is listed as 4 1/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.