-328 WHITE BUNA 70D FDA O-RING

Ordered as H70FDA328, this is an AS568-328 white Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 1.85 in (46.99 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.27 in (57.66 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. The compound resists water, greases and lubricants, and many alcohols. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ketones or automotive brake fluid are present.

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

This item is sold individually under part number H70FDA328. Unit weight is approximately 4.868 g. Check the compound against your process media, pressure and temperature before committing to a design.