4.5MM CS X 69MM ID BLACK BUNA 70D

The H4.5X69 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 69 mm (2.717 in), a cross section of 4.5 mm (0.177 in), and an outside diameter of 78 mm (3.07 in). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is specified for reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. The material holds up against many alcohols, hydraulic fluids, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or automotive brake fluid call for a different compound.

You will find this material specified across automotive, general industrial maintenance, and hydraulic and pneumatic systems.

Order part number H4.5X69, sold individually. Unit weight is approximately 0.0045 g. 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.