1.9MM CS X 7.8MM ID BLACK BUNA 70D

H1.9X7.8 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 7.8 mm (0.307 in), a cross section of 1.9 mm (0.075 in), and an outside diameter of 11.6 mm (0.46 in). In service, this o-ring remains the most cost-effective sealing element available for pressurized assemblies. This item is further identified as Metric O-RING, JIS P8.

It resists greases and lubricants, water, and many alcohols. Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, strong abrasion and tear resistance. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where automotive brake fluid or strong acids are present.

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

H1.9X7.8 ships individually. Unit weight is approximately 0.1093 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.