-205 BROWN FKM 90D O-RING

The VB90205 is an AS568-205 brown Viton® (FKM) 90 Shore A O-Ring supplied with an inside diameter of 0.421 in (10.69 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.699 in (17.75 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

The material holds up against chlorinated solvents, petroleum oils and fuels, and engine and transmission fluids. That behavior comes from the compound itself: Viton® (FKM) is known for very low compression set at elevated temperature and outstanding high-temperature capability. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C).

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

VB90205 ships individually. Nominal inside diameter is listed as 7/16 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.