3MM CS X 219.5MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 219.5 mm (8.642 in), a cross section of 3 mm (0.118 in), and an outside diameter of 225.5 mm (8.88 in), catalogued under part number H3X219.5. It compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) offers strong abrasion and tear resistance, low compression set under sustained load. Expect good resistance to greases and lubricants, hydraulic fluids, and petroleum-based oils. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It should not be specified for service in strong acids or automotive brake fluid.

Maintenance and OEM teams specify it across general industrial maintenance, hydraulic and pneumatic systems, and construction equipment.

This item is sold individually under part number H3X219.5. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.