3MM CS X 81MM ID BLACK FKM 75D

V3X81 is a black Viton® (FKM) 75 Shore A O-Ring measuring an inside diameter of 81 mm (3.189 in), a cross section of 3 mm (0.118 in), and an outside diameter of 87 mm (3.43 in). In service, this o-ring remains the most cost-effective sealing element available for pressurized assemblies.

As a material, Viton® (FKM) delivers excellent resistance to compression set and permeation, very low compression set at elevated temperature. This material stands up to aggressive chemicals, aromatic hydrocarbons, and chlorinated solvents. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). Verify compatibility before use with amines or low-molecular-weight organic acids.

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

This item is sold individually under part number V3X81. Unit weight is approximately 3.4109 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. 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.