5.3MM CS X 87.5MM ID BLACK BUNA 70D

H5.3X87.5 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 87.5 mm (3.445 in), a cross section of 5.3 mm (0.209 in), and an outside diameter of 98.1 mm (3.86 in). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) delivers low compression set under sustained load and the most widely specified general-purpose sealing elastomer. The compound resists hydraulic fluids, propane and butane, and water. 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 fluid power, construction equipment, and agricultural equipment.

Stocked as H5.3X87.5 and sold individually. Unit weight is approximately 7.9188 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.