3.1MM CS X 139.4MM ID BLACK FKM 75D

Ordered as V3.1X139.4, this is a black Viton® (FKM) 75 Shore A O-Ring supplied with an inside diameter of 139.4 mm (5.488 in), a cross section of 3.1 mm (0.122 in), and an outside diameter of 145.6 mm (5.73 in). The o-ring remains the most cost-effective sealing element available for pressurized assemblies. This item is further identified as Metric O-RING, JIS G140.

Viton® (FKM) offers long service life in hot, chemically aggressive environments and very low compression set at elevated temperature. This material stands up to engine and transmission fluids, chlorinated solvents, and aggressive chemicals. Rated temperature range runs from -15°F (-26.1°C) to 400°F (204.4°C) in continuous service. Exposure to ketones and esters or amines will shorten service life.

It sees regular use in high-temperature process equipment, automotive fuel systems, and chemical processing.

Stocked as V3.1X139.4 and sold individually. Unit weight is approximately 6.2222 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.