3MM CS X 70MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 70 mm (2.756 in), a cross section of 3 mm (0.118 in), and an outside diameter of 76 mm (2.99 in), catalogued under part number H3X70. It remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, low compression set under sustained load. The compound resists many alcohols, hydraulic fluids, and greases and lubricants. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving ozone and direct sunlight or ketones call for a different compound.

Typical settings include automotive, fluid power, and construction equipment.

Stocked as H3X70 and sold individually. Unit weight is approximately 0.002 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.