4350-366Y MINNESOTA RUBBER QUAD RING

This quad-ring is supplied in AS568-350 black Buna-N (Nitrile) 70 Shore A quad profile with an inside diameter of 4.6 in (116.84 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.02 in (127.51 mm), catalogued under part number HQ4350. It uses a four-lobed profile to create two sealing surfaces per side, reducing the squeeze needed to seal.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. This material stands up to greases and lubricants, water, and many alcohols. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ozone and direct sunlight or ketones.

It sees regular use in agricultural equipment, automotive, and construction equipment.

HQ4350 ships individually. Nominal inside diameter is listed as 4 5/8. Check the compound against your process media, pressure and temperature before committing to a design. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.