3.1MM CS X 64.4MM ID BLACK BUNA 70D

Part number H3.1X64.4 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 64.4 mm (2.535 in), a cross section of 3.1 mm (0.122 in), and an outside diameter of 70.6 mm (2.78 in). An o-ring compresses into its gland to block fluid or gas migration across a joint. Additional detail on this item: Metric O-RING, JIS G65.

Buna-N (Nitrile) delivers the most widely specified general-purpose sealing elastomer and low compression set under sustained load. It resists many alcohols, propane and butane, and petroleum-based oils. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Exposure to polar solvents or ketones will shorten service life.

Common environments for this compound include hydraulic and pneumatic systems, construction equipment, and fluid power.

H3.1X64.4 ships individually. Unit weight is approximately 1.9937 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.