4125-366Y MINNESOTA RUBBER QUAD RING

Part number HQ4125 is an AS568-125 black Buna-N (Nitrile) 70 Shore A quad profile Quad-Ring measuring an inside diameter of 1.299 in (32.99 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.505 in (38.23 mm). A quad-ring uses a four-lobed profile to create two sealing surfaces per side, reducing the squeeze needed to seal.

Buna-N (Nitrile) offers strong abrasion and tear resistance, reliable performance in both static and dynamic service. The compound resists water, propane and butane, and many alcohols. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ketones or ozone and direct sunlight.

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

HQ4125 ships individually. Nominal inside diameter is listed as 1 5/16 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.