3MM CS X 65MM ID BLACK BUNA 70D

APG stocks the H3X65, a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 65 mm (2.559 in), a cross section of 3 mm (0.118 in), and an outside diameter of 71 mm (2.8 in). An o-ring compresses into its gland to block fluid or gas migration across a joint.

The compound resists hydraulic fluids, water, and many alcohols. Buna-N (Nitrile) is specified for low compression set under sustained load and the most widely specified general-purpose sealing elastomer. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in automotive brake fluid or ozone and direct sunlight.

Common environments for this compound include hydraulic and pneumatic systems, construction equipment, and general industrial maintenance.

Stocked as H3X65 and sold individually. Unit weight is approximately 1.8673 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.