5.7MM CS X 129.3MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 129.3 mm (5.091 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 140.7 mm (5.54 in), catalogued under part number H5.7X129.3. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is specified here for low compression set under sustained load, strong abrasion and tear resistance. Expect good resistance to propane and butane, petroleum-based oils, and water. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving ozone and direct sunlight or automotive brake fluid call for a different compound.

Common environments for this compound include general industrial maintenance, hydraulic and pneumatic systems, and construction equipment.

This item is sold individually under part number H5.7X129.3. Unit weight is approximately 13.3 g. Check the compound against your process media, pressure and temperature before committing to a design.