-335 WHITE BUNA 70D FDA O-RING

Ordered as H70FDA335, this is an AS568-335 white Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 2.725 in (69.22 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.145 in (79.88 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is known for reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. The material holds up against propane and butane, greases and lubricants, and many alcohols. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where polar solvents or strong acids are present.

The compound meets FDA requirements for food contact under 21 CFR 177.2600. You will find this material specified across automotive, fluid power, and hydraulic and pneumatic systems.

Stocked as H70FDA335 and sold individually. Unit weight is approximately 6.6535 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.