568-357 BUNA 70 SQUARE CUT RINGS

The SH70357 is an AS568-357 black Buna-N (Nitrile) 70 Shore A square profile Quad-Ring supplied with an inside diameter of 5.475 in (139.07 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.895 in (149.73 mm). This quad-ring provides a dual sealing band on each contact face for improved reliability.

Buna-N (Nitrile) is specified for reliable performance in both static and dynamic service, strong abrasion and tear resistance. The compound resists water, hydraulic fluids, and many alcohols. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Exposure to automotive brake fluid or ketones will shorten service life.

Typical settings include automotive, fluid power, and agricultural equipment.

This item is sold individually under part number SH70357. Check the compound against your process media, pressure and temperature before committing to a design.