3MM CS X 200MM ID BLACK BUNA 70D

H3X200 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 200 mm (7.874 in), a cross section of 3 mm (0.118 in), and an outside diameter of 206 mm (8.11 in). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Expect good resistance to greases and lubricants, many alcohols, and hydraulic fluids. That behavior comes from the compound itself: Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer and low compression set under sustained load. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with strong acids or automotive brake fluid.

It sees regular use in hydraulic and pneumatic systems, general industrial maintenance, and construction equipment.

Stocked as H3X200 and sold individually. Unit weight is approximately 5.5055 g. Check the compound against your process media, pressure and temperature before committing to a design.