Ordered as H5.7X264.2, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 264.2 mm (10.402 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 275.6 mm (10.85 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.
It resists petroleum-based oils, propane and butane, and many alcohols. Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with polar solvents or automotive brake fluid.
Common environments for this compound include agricultural equipment, fluid power, and hydraulic and pneumatic systems.
Order part number H5.7X264.2, sold individually. Review your operating media and conditions against this specification before installation.
Description 5.7MM CS X 264.2MM ID BLACK BUNA 70D
Actual Outside Diameter 275.6 mm (10.85 inch)
Actual Cross Section 5.7 mm (0.224 inch)
Actual Inside Diameter 264.2 mm (10.402 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity