-279 BLACK BUNA 70D O-RING

This o-ring is supplied in AS568-279 black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 12.984 in (329.79 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 13.262 in (336.85 mm), catalogued under part number H70279. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. The material holds up against propane and butane, many alcohols, and water. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

Maintenance and OEM teams specify it across hydraulic and pneumatic systems, construction equipment, and general industrial maintenance.

This item is sold individually under part number H70279. Unit weight is approximately 12.706 g and nominal inside diameter is listed as 13 inch. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.