5.3MM CS X 75MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 75 mm (2.953 in), a cross section of 5.3 mm (0.209 in), and an outside diameter of 85.6 mm (3.37 in), catalogued under part number H5.3X75. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

This material stands up to petroleum-based oils, many alcohols, and propane and butane. Buna-N (Nitrile) is known for low compression set under sustained load, reliable performance in both static and dynamic service. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

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

This item is sold individually under part number H5.3X75. Unit weight is approximately 7.0378 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.