Viton 75-345-Black-Pk2

Part number SB-V70345-2 is an AS568-345 black Viton® (FKM) 70 Shore A O-Ring supplied with an inside diameter of 3.975 in (100.97 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.395 in (111.63 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope. This item is further identified as 0.210CSX3.975"IDX4.395"OD.

This material stands up to many acids, aromatic hydrocarbons, and petroleum oils and fuels. That behavior comes from the compound itself: Viton® (FKM) is valued for very low compression set at elevated temperature and long service life in hot, chemically aggressive environments. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with amines or low-molecular-weight organic acids.

You will find this material specified across aerospace, high-temperature process equipment, and automotive fuel systems.

Stocked as SB-V70345-2 and sold by the bag. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.