5.7MM CS X 109.6MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 109.6 mm (4.315 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 121 mm (4.76 in), catalogued under part number H5.7X109.6. It 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 P110.

It resists greases and lubricants, many alcohols, and water. That behavior comes from the compound itself: Buna-N (Nitrile) offers reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

It sees regular use in fluid power, agricultural equipment, and automotive.

H5.7X109.6 ships individually. Unit weight is approximately 11.24 g. Review your operating media and conditions against this specification before installation.