-359 BLACK BUNA 70D O-RING

The H70359 is an AS568-359 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 5.725 in (145.42 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 6.145 in (156.08 mm). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.

This material stands up to water, hydraulic fluids, and propane and butane. Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Exposure to strong acids or ketones will shorten service life.

Common environments for this compound include hydraulic and pneumatic systems, fluid power, and agricultural equipment.

This item is sold individually under part number H70359. Unit weight is approximately 0.0128 g and nominal inside diameter is listed as 5 3/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.