-273 BLACK BUNA 70D O-RING

This o-ring is supplied in AS568-273 black Buna-N (Nitrile) 70 Shore A measuring an inside diameter of 9.734 in (247.24 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 10.012 in (254.3 mm), catalogued under part number H70273. It compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. It resists petroleum-based oils, hydraulic fluids, and many alcohols. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving automotive brake fluid or ketones call for a different compound.

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

This item is sold individually under part number H70273. Unit weight is approximately 9.514 g and nominal inside diameter is listed as 9 3/4 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.