Ordered as H2.5X82, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 82 mm (3.228 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 87 mm (3.43 in). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.
Buna-N (Nitrile) delivers low compression set under sustained load, strong abrasion and tear resistance. This material stands up to propane and butane, water, and many alcohols. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or polar solvents.
Common environments for this compound include hydraulic and pneumatic systems, construction equipment, and automotive.
This item is sold individually under part number H2.5X82. Unit weight is approximately 1.631 g. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description 2.5MM CS X 82MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 87 mm (3.43 inch)
Actual_CS 2.5 mm (0.098 inch)
Actual_ID 82 mm (3.228 inch)
ProductCode Description O-Rings - Metric - Commodity