-268 BLACK BUNA 70D O-RING

This o-ring is supplied in AS568-268 black Buna-N (Nitrile) 70 Shore A with an inside diameter of 8.484 in (215.49 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 8.762 in (222.55 mm), catalogued under part number H70268. It creates a positive seal at flange, piston and rod interfaces without added hardware.

The material holds up against water, propane and butane, and hydraulic fluids. Buna-N (Nitrile) delivers reliable performance in both static and dynamic service, 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 strong acids or ozone and direct sunlight.

You will find this material specified across agricultural equipment, hydraulic and pneumatic systems, and fluid power.

Reference part number H70268 when ordering; the item is sold individually. Unit weight is approximately 8.27 g and nominal inside diameter is listed as 8 1/2 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. 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.