Buna 70-144-Black-Pk10

The SB-H70144-10 is an AS568-144 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 2.487 in (63.17 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.693 in (68.4 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope. The catalog record notes: 0.103CSX2.487"IDX2.693"OD.

It resists greases and lubricants, hydraulic fluids, and water. Buna-N (Nitrile) is specified for the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ketones or strong acids.

It sees regular use in fluid power, automotive, and agricultural equipment.

This item is sold by the bag under part number SB-H70144-10. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.