3MM CS X 230MM ID BLACK BUNA 70D

H3X230 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 230 mm (9.055 in), a cross section of 3 mm (0.118 in), and an outside diameter of 236 mm (9.29 in). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

The material holds up against petroleum-based oils, hydraulic fluids, and propane and butane. That behavior comes from the compound itself: Buna-N (Nitrile) is known for low compression set under sustained load, strong abrasion and tear resistance. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ozone and direct sunlight or ketones.

Typical settings include fluid power, agricultural equipment, and general industrial maintenance.

Stocked as H3X230 and sold individually. Unit weight is approximately 6.319 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.