2.5MM CS X 20MM ID BLACK BUNA 70D

The H2.5X20 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 20 mm (0.787 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 25 mm (0.98 in). This o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is widely chosen for strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. The compound resists propane and butane, greases and lubricants, and many alcohols. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ozone and direct sunlight or ketones are present.

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

Order part number H2.5X20, sold individually. Unit weight is approximately 0.424 g. Check the compound against your process media, pressure and temperature before committing to a design.