*4331-366Y MINNESOTA RUBBER QUAD RING

This quad-ring is supplied in AS568-331 black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 2.225 in (56.52 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.645 in (67.18 mm), catalogued under part number HQ4331. It provides a dual sealing band on each contact face for improved reliability.

Buna-N (Nitrile) offers low compression set under sustained load and the most widely specified general-purpose sealing elastomer. It resists hydraulic fluids, greases and lubricants, and many alcohols. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). The profile itself contributes lower compressive load required to achieve a seal and two sealing bands per contact face rather than one.

Typical settings include general industrial maintenance, hydraulic and pneumatic systems, and fluid power.

Stocked as HQ4331 and sold individually. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.