5.7MM CS X 529.3MM ID BLACK BUNA 70D

The H5.7X529.3 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 529.3 mm (20.839 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 540.7 mm (21.29 in). This o-ring compresses into its gland to block fluid or gas migration across a joint.

As a material, Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. The compound resists petroleum-based oils, water, and many alcohols. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with ozone and direct sunlight or ketones.

Common environments for this compound include hydraulic and pneumatic systems, agricultural equipment, and fluid power.

Stocked as H5.7X529.3 and sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.