568-443 BUNA 70 SQUARE CUT RINGS

The SH70443 is an AS568-443 black Buna-N (Nitrile) 70 Shore A square profile Quad-Ring with an inside diameter of 7.475 in (189.87 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 8.025 in (203.84 mm). This quad-ring resists spiral failure in reciprocating service thanks to its multi-lobe geometry.

Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. It resists water, petroleum-based oils, and hydraulic fluids. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

You will find this material specified across general industrial maintenance, fluid power, and automotive.

Reference part number SH70443 when ordering; the item is sold individually. Unit weight is approximately 28.979 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.