3MM CS X 66MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 66 mm (2.598 in), a cross section of 3 mm (0.118 in), and an outside diameter of 72 mm (2.83 in), catalogued under part number H3X66. It creates a positive seal at flange, piston and rod interfaces without added hardware.

As a material, Buna-N (Nitrile) delivers low compression set under sustained load, reliable performance in both static and dynamic service. The material holds up against greases and lubricants, propane and butane, and petroleum-based oils. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It is not the right choice where automotive brake fluid or strong acids are present.

It sees regular use in general industrial maintenance, construction equipment, and fluid power.

Reference part number H3X66 when ordering; the item is sold individually. Unit weight is approximately 1.9277 g. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.