2.5MM CS X 128MM ID BLACK BUNA 70D

H2.5X128 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 128 mm (5.039 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 133 mm (5.24 in). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, Buna-N (Nitrile) is specified for low compression set under sustained load, strong abrasion and tear resistance. This material stands up to petroleum-based oils, propane and butane, and many alcohols. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with strong acids or polar solvents.

Typical settings include construction equipment, fluid power, and hydraulic and pneumatic systems.

Stocked as H2.5X128 and sold individually. Unit weight is approximately 2.4578 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.