This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A measuring an inside diameter of 64 mm (2.52 in), a cross section of 2 mm (0.079 in), and an outside diameter of 68 mm (2.68 in), catalogued under part number H2X64. It compresses into its gland to block fluid or gas migration across a joint.
As a material, Buna-N (Nitrile) is widely chosen for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. Expect good resistance to propane and butane, water, and petroleum-based oils. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving polar solvents or automotive brake fluid call for a different compound.
Common environments for this compound include automotive, fluid power, and general industrial maintenance.
Reference part number H2X64 when ordering; the item is sold individually. Unit weight is approximately 0.8141 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Description 2MM CS X 64MM ID BLACK BUNA 70D
Actual Outside Diameter 68 mm (2.68 inch)
Actual Cross Section 2 mm (0.079 inch)
Actual Inside Diameter 64 mm (2.52 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity