8.4MM CS X 208.5MM ID BLACK FKM 70D

This o-ring is supplied in black Viton® (FKM) 70 Shore A built to an inside diameter of 208.5 mm (8.209 in), a cross section of 8.4 mm (0.331 in), and an outside diameter of 225.3 mm (8.87 in), catalogued under part number V8.4X208.5. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Supplementary detail from the product record: Metric O-RING, JIS P209.

As a material, Viton® (FKM) offers outstanding high-temperature capability, excellent resistance to compression set and permeation. It resists petroleum oils and fuels, engine and transmission fluids, and many acids. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). It should not be specified for service in amines or hot water and steam.

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

Order part number V8.4X208.5, sold individually. Check the compound against your process media, pressure and temperature before committing to a design.