Q-161 BUNA 70 Q RING

The QH70161 is an AS568-161 black Buna-N (Nitrile) 70 Shore A quad profile Quad-Ring measuring an inside diameter of 5.487 in (139.37 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 5.693 in (144.6 mm). This quad-ring resists spiral failure in reciprocating service thanks to its multi-lobe geometry.

Buna-N (Nitrile) is specified for strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. This material stands up to water, propane and butane, and hydraulic fluids. 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 polar solvents or ozone and direct sunlight are present.

Typical settings include construction equipment, automotive, and hydraulic and pneumatic systems.

Reference part number QH70161 when ordering; the item is sold individually. Unit weight is approximately 2.8431 g and nominal inside diameter is listed as 5 1/2 inch. 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.