5MM CS X 11MM ID BLACK BUNA 70D

H5X11 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 11 mm (0.433 in), a cross section of 5 mm (0.197 in), and an outside diameter of 21 mm (0.83 in). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. The compound resists greases and lubricants, petroleum-based oils, and many alcohols. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or strong acids.

Maintenance and OEM teams specify it across general industrial maintenance, construction equipment, and fluid power.

Order part number H5X11, sold individually. Unit weight is approximately 1.205 g. Check the compound against your process media, pressure and temperature before committing to a design.