-221 BLACK FKM 90D O-RING

Part number V90221 is an AS568-221 black Viton® (FKM) 90 Shore A O-Ring built to an inside diameter of 1.421 in (36.09 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.699 in (43.15 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Viton® (FKM) offers long service life in hot, chemically aggressive environments and very low compression set at elevated temperature. It resists petroleum oils and fuels, many acids, and chlorinated solvents. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). It should not be specified for service in hot water and steam or ketones and esters.

Maintenance and OEM teams specify it across high-temperature process equipment, aerospace, and oil and gas.

Stocked as V90221 and sold individually. Unit weight is approximately 2.2239 g and nominal inside diameter is listed as 1 7/16 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. 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.