-021 BLACK BUNA 70D O-RING

Part number H70021 is an AS568-021 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 0.926 in (23.52 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 1.066 in (27.08 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, reliable performance in both static and dynamic service. Expect good resistance to propane and butane, petroleum-based oils, and greases and lubricants. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or polar solvents.

You will find this material specified across automotive, construction equipment, and hydraulic and pneumatic systems.

This item is sold individually under part number H70021. Unit weight is approximately 0.2535 g. Review your operating media and conditions against this specification before installation.