8.4MM CS X 259.5MM ID BLACK FKM 70D

V8.4X259.5 is a black Viton® (FKM) 70 Shore A O-Ring built to an inside diameter of 259.5 mm (10.217 in), a cross section of 8.4 mm (0.331 in), and an outside diameter of 276.3 mm (10.88 in). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware. The catalog record notes: Metric O-RING, JIS P260.

Viton® (FKM) is valued for excellent resistance to compression set and permeation, the industry benchmark where nitrile reaches its thermal limit. It resists many acids, engine and transmission fluids, and aggressive chemicals. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C).

Maintenance and OEM teams specify it across aerospace, high-temperature process equipment, and oil and gas.

Order part number V8.4X259.5, sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application.