H2.5X38 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 38 mm (1.496 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 43 mm (1.69 in). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.
As a material, Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. Expect good resistance to greases and lubricants, propane and butane, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).
Common environments for this compound include hydraulic and pneumatic systems, general industrial maintenance, and fluid power.
Stocked as H2.5X38 and sold individually. Unit weight is approximately 0.77 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Description 2.5MM CS X 38MM ID BLACK BUNA 70D
Actual Outside Diameter 43 mm (1.69 inch)
Actual Cross Section 2.5 mm (0.098 inch)
Actual Inside Diameter 38 mm (1.496 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity