4MM CS X 135MM ID BLACK FKM 75D

Ordered as V4X135, this is a black Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 135 mm (5.315 in), a cross section of 4 mm (0.157 in), and an outside diameter of 143 mm (5.63 in). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Viton® (FKM) offers long service life in hot, chemically aggressive environments and outstanding high-temperature capability. Expect good resistance to aggressive chemicals, petroleum oils and fuels, and chlorinated solvents. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C).

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

Stocked as V4X135 and sold individually. Unit weight is approximately 9.9717 g. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.