-049 BLACK BUNA 70D O-RING

Part number H70049 is an AS568-049 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 4.989 in (126.72 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 5.129 in (130.28 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) delivers reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. It resists greases and lubricants, water, and many alcohols. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or ozone and direct sunlight call for a different compound.

Typical settings include general industrial maintenance, construction equipment, and fluid power.

Reference part number H70049 when ordering; the item is sold individually. Unit weight is approximately 0.0013 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.