Ordered as H2.5X101, this is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 101 mm (3.976 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 106 mm (4.17 in). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.
As a material, Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. Expect good resistance to greases and lubricants, hydraulic fluids, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in strong acids or polar solvents.
Typical settings include general industrial maintenance, automotive, and agricultural equipment.
This item is sold individually under part number H2.5X101. Unit weight is approximately 1.79 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 101MM ID BLACK BUNA 70D
Actual Outside Diameter 106 mm (4.17 inch)
Actual Cross Section 2.5 mm (0.098 inch)
Actual Inside Diameter 101 mm (3.976 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity