*4431-366Y MINNESOTA RUBBER QUAD RING

APG stocks the HQ4431, an AS568-431 black Buna-N (Nitrile) 70 Shore A Quad-Ring supplied with an inside diameter of 5.225 in (132.72 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.775 in (146.69 mm). A quad-ring provides a dual sealing band on each contact face for improved reliability.

It resists hydraulic fluids, petroleum-based oils, and propane and butane. Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with strong acids or ozone and direct sunlight. The profile itself contributes resistance to the spiral twisting that defeats round-section rings and a parting line located away from the sealing surface.

Maintenance and OEM teams specify it across agricultural equipment, automotive, and construction equipment.

This item is sold individually under part number HQ4431. Application requirements vary, so validate compatibility with your process conditions prior to installation.