Buna 70-235-Black-Pk50

Ordered as SB-H70235-50, this is an AS568-235 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 3.109 in (78.97 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.387 in (86.03 mm). The o-ring delivers dependable bidirectional sealing in a compact groove envelope. Additional detail on this item: 3.375IDX3.125"ODX.125"CS.

As a material, Buna-N (Nitrile) delivers low compression set under sustained load, strong abrasion and tear resistance. The compound resists propane and butane, hydraulic fluids, and water. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with strong acids or automotive brake fluid.

Typical settings include hydraulic and pneumatic systems, fluid power, and general industrial maintenance.

SB-H70235-50 ships by the bag. Nominal inside diameter is listed as 3 1/8 inch. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.