-353 BLACK BUNA 70D O-RING

Ordered as H70353, this is an AS568-353 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 4.975 in (126.37 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.395 in (137.03 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer and low compression set under sustained load. Expect good resistance to hydraulic fluids, 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 ketones or strong acids call for a different compound.

Common environments for this compound include automotive, construction equipment, and hydraulic and pneumatic systems.

Order part number H70353, sold individually. Unit weight is approximately 11.42 g and nominal inside diameter is listed as 5 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.