5.3MM CS X 230MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 230 mm (9.055 in), a cross section of 5.3 mm (0.209 in), and an outside diameter of 240.6 mm (9.47 in), catalogued under part number H5.3X230. It delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for low compression set under sustained load, strong abrasion and tear resistance. It resists petroleum-based oils, hydraulic fluids, and water. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in automotive brake fluid or polar solvents.

You will find this material specified across fluid power, automotive, and agricultural equipment.

Stocked as H5.3X230 and sold individually. Unit weight is approximately 20.207 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.