8.4MM CS X 284.5MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 284.5 mm (11.201 in), a cross section of 8.4 mm (0.331 in), and an outside diameter of 301.3 mm (11.86 in), catalogued under part number H8.4X284.5. It provides a reliable static or dynamic seal by deforming into its gland under assembly load. The catalog record notes: Metric O-RING, JIS P285.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer and low compression set under sustained load. This material stands up to water, many alcohols, and petroleum-based oils. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving strong acids or automotive brake fluid call for a different compound.

Common environments for this compound include hydraulic and pneumatic systems, general industrial maintenance, and automotive.

H8.4X284.5 ships individually. Unit weight is approximately 62.364 g. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.