4MM CS X 492MM ID BLACK FKM 75D

The V4X492 is a black Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 492 mm (19.37 in), a cross section of 4 mm (0.157 in), and an outside diameter of 500 mm (19.69 in). This o-ring compresses into its gland to block fluid or gas migration across a joint.

The material holds up against aromatic hydrocarbons, aggressive chemicals, and chlorinated solvents. Viton® (FKM) is valued for outstanding high-temperature capability and the industry benchmark where nitrile reaches its thermal limit. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C).

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

Order part number V4X492, sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.