This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 8 mm (0.315 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 13 mm (0.51 in), catalogued under part number H2.5X8. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
Buna-N (Nitrile) offers the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. This material stands up to petroleum-based oils, propane and butane, and hydraulic fluids. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ozone and direct sunlight or strong acids.
It sees regular use in hydraulic and pneumatic systems, fluid power, and construction equipment.
H2.5X8 ships individually. Unit weight is approximately 0.199 g. Review your operating media and conditions against this specification before installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
description 2.5MM CS X 8MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 13 mm (0.51 inch)
Actual_CS 2.5 mm (0.098 inch)
Actual_ID 8 mm (0.315 inch)
ProductCode Description O-Rings - Metric - Commodity