Q-270 BUNA 70 Q RING

This quad-ring is supplied in AS568-270 black Buna-N (Nitrile) 70 Shore A quad profile built to an inside diameter of 8.984 in (228.19 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 9.262 in (235.25 mm), catalogued under part number QH70270. It uses a four-lobed profile to create two sealing surfaces per side, reducing the squeeze needed to seal.

Buna-N (Nitrile) is valued for strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. Expect good resistance to greases and lubricants, hydraulic fluids, and propane and butane. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with ketones or ozone and direct sunlight.

Typical settings include automotive, fluid power, and agricultural equipment.

Stocked as QH70270 and sold individually. Unit weight is approximately 8.4554 g and nominal inside diameter is listed as 9 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.