5.7MM CS X 70.6MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A measuring an inside diameter of 70.6 mm (2.78 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 82 mm (3.23 in), catalogued under part number H5.7X70.6. It creates a positive seal at flange, piston and rod interfaces without added hardware. This item is further identified as Metric O-RING, JIS P71.

Buna-N (Nitrile) offers the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. The material holds up against greases and lubricants, propane and butane, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving automotive brake fluid or ozone and direct sunlight call for a different compound.

It sees regular use in automotive, construction equipment, and fluid power.

H5.7X70.6 ships individually. Unit weight is approximately 7.5332 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.