568-142 BUNA 70 SQUARE CUT RINGS

This quad-ring is supplied in AS568-142 black Buna-N (Nitrile) 70 Shore A square profile supplied with an inside diameter of 2.362 in (59.99 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.568 in (65.23 mm), catalogued under part number SH70142. It resists spiral failure in reciprocating service thanks to its multi-lobe geometry.

It resists petroleum-based oils, water, and greases and lubricants. Buna-N (Nitrile) delivers strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

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

This item is sold individually under part number SH70142. Unit weight is approximately 1.543 g and nominal inside diameter is listed as 2 3/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.