4MM CS X 125MM ID BLACK FKM 75D

V4X125 is a black Viton® (FKM) 75 Shore A O-Ring built to an inside diameter of 125 mm (4.921 in), a cross section of 4 mm (0.157 in), and an outside diameter of 133 mm (5.24 in). In service, this o-ring remains the most cost-effective sealing element available for pressurized assemblies.

As a material, Viton® (FKM) offers very low compression set at elevated temperature and outstanding high-temperature capability. Expect good resistance to aggressive chemicals, petroleum oils and fuels, and chlorinated solvents. Rated temperature range runs from -15°F (-26.1°C) to 400°F (204.4°C) in continuous service. It should not be specified for service in hot water and steam or low-molecular-weight organic acids.

It sees regular use in oil and gas, chemical processing, and semiconductor equipment.

Order part number V4X125, sold individually. Unit weight is approximately 9.3042 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.