Ordered as H2.5X30, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 30 mm (1.181 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 35 mm (1.38 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Buna-N (Nitrile) is known for strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. The material holds up against propane and butane, greases and lubricants, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).
It sees regular use in hydraulic and pneumatic systems, construction equipment, and fluid power.
Order part number H2.5X30, sold individually. Unit weight is approximately 0.62 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 30MM ID BLACK BUNA 70D
Actual Outside Diameter 35 mm (1.38 inch)
Actual Cross Section 2.5 mm (0.098 inch)
Actual Inside Diameter 30 mm (1.181 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity