2.5MM CS X 80MM ID BLACK BUNA 70D

Ordered as H2.5X80, this is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 80 mm (3.15 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 85 mm (3.35 in). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, Buna-N (Nitrile) is valued for strong abrasion and tear resistance, low compression set under sustained load. It resists water, hydraulic fluids, and many alcohols. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in automotive brake fluid or ketones.

Common environments for this compound include fluid power, agricultural equipment, and construction equipment.

Reference part number H2.5X80 when ordering; the item is sold individually. Unit weight is approximately 1.57 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.