5MM CS X 66MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 66 mm (2.598 in), a cross section of 5 mm (0.197 in), and an outside diameter of 76 mm (2.99 in), catalogued under part number H5X66. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, most widely specified general-purpose sealing elastomer. It resists many alcohols, water, and hydraulic fluids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with polar solvents or automotive brake fluid.

You will find this material specified across construction equipment, hydraulic and pneumatic systems, and fluid power.

Stocked as H5X66 and sold individually. Unit weight is approximately 0.0055 g. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.