5.3MM CS X 200MM ID BLACK BUNA 70D

Part number H5.3X200 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 200 mm (7.874 in), a cross section of 5.3 mm (0.209 in), and an outside diameter of 210.6 mm (8.29 in). An o-ring compresses into its gland to block fluid or gas migration across a joint.

This material stands up to many alcohols, propane and butane, and water. Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs and low compression set under sustained load. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving polar solvents or ozone and direct sunlight call for a different compound.

Maintenance and OEM teams specify it across automotive, agricultural equipment, and hydraulic and pneumatic systems.

This item is sold individually under part number H5.3X200. Unit weight is approximately 17.444 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.