-012 BLACK BUNA 70D O-RING

Ordered as H70012, this is an AS568-012 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 0.364 in (9.25 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 0.504 in (12.8 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. The material holds up against petroleum-based oils, propane and butane, and many alcohols. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where strong acids or ozone and direct sunlight are present.

It sees regular use in hydraulic and pneumatic systems, fluid power, and construction equipment.

H70012 ships individually. Unit weight is approximately 0.1102 g and nominal inside diameter is listed as 3/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.