This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 64 mm (2.52 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 69 mm (2.72 in), catalogued under part number H2.5X64. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.
Buna-N (Nitrile) delivers strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. It resists greases and lubricants, petroleum-based oils, and many alcohols. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving ozone and direct sunlight or automotive brake fluid call for a different compound.
You will find this material specified across hydraulic and pneumatic systems, general industrial maintenance, and automotive.
Order part number H2.5X64, sold individually. Unit weight is approximately 1.269 g. Check the compound against your process media, pressure and temperature before committing to a design.
Description 2.5MM CS X 64MM ID BLACK BUNA 70D
Actual Outside Diameter 69 mm (2.72 inch)
Actual Cross Section 2.5 mm (0.098 inch)
Actual Inside Diameter 64 mm (2.52 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity