4223-366Y MINNESOTA RUBBER QUAD RING

Ordered as HQ4223, this is an AS568-223 black Buna-N (Nitrile) 70 Shore A Quad-Ring with an inside diameter of 1.609 in (40.87 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.887 in (47.93 mm). The quad-ring uses a four-lobed profile to create two sealing surfaces per side, reducing the squeeze needed to seal.

Buna-N (Nitrile) offers the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. It resists hydraulic fluids, many alcohols, and water. 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 ketones or automotive brake fluid are present. The profile itself contributes a parting line located away from the sealing surface and two sealing bands per contact face rather than one.

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

Stocked as HQ4223 and sold individually. Review your operating media and conditions against this specification before installation.