-109 BLACK BUNA 70D O-RING

This o-ring is supplied in AS568-109 black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 0.299 in (7.59 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.505 in (12.83 mm), catalogued under part number H70109. It compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is valued for the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. Expect good resistance to propane and butane, hydraulic fluids, and greases and lubricants. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

You will find this material specified across fluid power, general industrial maintenance, and agricultural equipment.

Stocked as H70109 and sold individually. Unit weight is approximately 0.2183 g and nominal inside diameter is listed as 5/16 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.