4MM CS X 5MM ID BLACK FKM 75D

Ordered as V4X5, this is a black Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 5 mm (0.197 in), a cross section of 4 mm (0.157 in), and an outside diameter of 13 mm (0.51 in). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

As a material, Viton® (FKM) is valued for excellent resistance to compression set and permeation, outstanding high-temperature capability. Expect good resistance to engine and transmission fluids, aromatic hydrocarbons, and many acids. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C).

Maintenance and OEM teams specify it across automotive fuel systems, semiconductor equipment, and chemical processing.

Order part number V4X5, sold individually. Review your operating media and conditions against this specification before 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.