2.5MM CS X 103MM ID BLACK BUNA 70D

H2.5X103 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 103 mm (4.055 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 108 mm (4.25 in). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) delivers the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. The compound resists propane and butane, many alcohols, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving automotive brake fluid or polar solvents call for a different compound.

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

Stocked as H2.5X103 and sold individually. Unit weight is approximately 2.0359 g. Review your operating media and conditions against this specification before installation.