5MM CS X 27MM ID BLACK BUNA 70D

Part number H5X27 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 27 mm (1.063 in), a cross section of 5 mm (0.197 in), and an outside diameter of 37 mm (1.46 in). An o-ring compresses into its gland to block fluid or gas migration across a joint.

The compound resists propane and butane, petroleum-based oils, and many alcohols. That behavior comes from the compound itself: Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs and low compression set under sustained load. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving polar solvents or automotive brake fluid call for a different compound.

You will find this material specified across automotive, construction equipment, and agricultural equipment.

Order part number H5X27, sold individually. Unit weight is approximately 2.4256 g. Review your operating media and conditions against this specification before installation.