-261 BLACK FKM 90D O-RING

Ordered as V90261, this is an AS568-261 black Viton® (FKM) 90 Shore A O-Ring built to an inside diameter of 6.734 in (171.04 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 7.012 in (178.1 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Viton® (FKM) is specified here for long service life in hot, chemically aggressive environments and very low compression set at elevated temperature. Expect good resistance to aromatic hydrocarbons, engine and transmission fluids, and chlorinated solvents. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). Applications involving amines or low-molecular-weight organic acids call for a different compound.

Maintenance and OEM teams specify it across automotive fuel systems, high-temperature process equipment, and semiconductor equipment.

This item is sold individually under part number V90261. Unit weight is approximately 10.044 g and nominal inside diameter is listed as 6 3/4 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.