8.4MM CS X 199.5MM ID BLACK BUNA 70D

The H8.4X199.5 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 199.5 mm (7.854 in), a cross section of 8.4 mm (0.331 in), and an outside diameter of 216.3 mm (8.52 in). This o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Source specification: Metric O-RING, JIS P200.

Expect good resistance to water, petroleum-based oils, and propane and butane. Buna-N (Nitrile) is specified for strong abrasion and tear resistance, reliable performance in both static and dynamic service. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or strong acids.

You will find this material specified across automotive, fluid power, and general industrial maintenance.

Reference part number H8.4X199.5 when ordering; the item is sold individually. Unit weight is approximately 44.214 g. Check the compound against your process media, pressure and temperature before committing to a design.