-349 BLACK FKM 90D O-RING

Part number V90349 is an AS568-349 black Viton® (FKM) 90 Shore A O-Ring measuring an inside diameter of 4.475 in (113.67 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.895 in (124.33 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Viton® (FKM) is specified for very low compression set at elevated temperature, excellent resistance to compression set and permeation. It resists petroleum oils and fuels, aggressive chemicals, and engine and transmission fluids. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with ketones and esters or hot water and steam.

Common environments for this compound include high-temperature process equipment, automotive fuel systems, and oil and gas.

Stocked as V90349 and sold individually. Unit weight is approximately 16.088 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.