5MM CS X 35MM ID BLACK BUNA 70D

APG stocks the H5X35, a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 35 mm (1.378 in), a cross section of 5 mm (0.197 in), and an outside diameter of 45 mm (1.77 in). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

It resists water, greases and lubricants, and petroleum-based oils. That behavior comes from the compound itself: Buna-N (Nitrile) delivers the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where strong acids or automotive brake fluid are present.

You will find this material specified across construction equipment, fluid power, and hydraulic and pneumatic systems.

This item is sold individually under part number H5X35. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.