5.3MM CS X 272MM ID BLACK BUNA 70D

The H5.3X272 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 272 mm (10.709 in), a cross section of 5.3 mm (0.209 in), and an outside diameter of 282.6 mm (11.13 in). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, low compression set under sustained load. This material stands up to propane and butane, hydraulic fluids, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in ozone and direct sunlight or strong acids.

It sees regular use in agricultural equipment, fluid power, and hydraulic and pneumatic systems.

Reference part number H5.3X272 when ordering; the item is sold individually. Unit weight is approximately 23.655 g. Check the compound against your process media, pressure and temperature before committing to a design.