Q-265 BUNA 70 Q RING

This quad-ring is supplied in AS568-265 black Buna-N (Nitrile) 70 Shore A quad profile supplied with an inside diameter of 7.734 in (196.44 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 8.012 in (203.5 mm), catalogued under part number QH70265. It uses a four-lobed profile to create two sealing surfaces per side, reducing the squeeze needed to seal.

It resists many alcohols, greases and lubricants, and propane and butane. Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs and low compression set under sustained load. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It should not be specified for service in strong acids or automotive brake fluid.

You will find this material specified across hydraulic and pneumatic systems, general industrial maintenance, and automotive.

Reference part number QH70265 when ordering; the item is sold individually. Unit weight is approximately 7.2251 g and nominal inside diameter is listed as 7 3/4 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.