2.5MM CS X 49MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 49 mm (1.929 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 54 mm (2.13 in), catalogued under part number H2.5X49. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) is specified for reliable performance in both static and dynamic service, strong abrasion and tear resistance. It resists water, petroleum-based oils, and hydraulic fluids. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Applications involving strong acids or ozone and direct sunlight call for a different compound.

Maintenance and OEM teams specify it across construction equipment, general industrial maintenance, and automotive.

This item is sold individually under part number H2.5X49. Unit weight is approximately 0.969 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.