3.1MM CS X 109.4MM ID BLACK BUNA 70D

H3.1X109.4 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 109.4 mm (4.307 in), a cross section of 3.1 mm (0.122 in), and an outside diameter of 115.6 mm (4.55 in). In service, this o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. This item is further identified as Metric O-RING, JIS G110.

Buna-N (Nitrile) is valued for low compression set under sustained load, reliable performance in both static and dynamic service. This material stands up to greases and lubricants, hydraulic fluids, 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 ozone and direct sunlight or strong acids are present.

Typical settings include fluid power, agricultural equipment, and general industrial maintenance.

Stocked as H3.1X109.4 and sold individually. Unit weight is approximately 3.2966 g. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.