3MM CS X 155MM ID BLACK BUNA 70D

The H3X155 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 155 mm (6.102 in), a cross section of 3 mm (0.118 in), and an outside diameter of 161 mm (6.34 in). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. This material stands up to greases and lubricants, propane and butane, and hydraulic fluids. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with polar solvents or ketones.

Typical settings include automotive, agricultural equipment, and fluid power.

H3X155 ships individually. Unit weight is approximately 4.3586 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.