568-108 BUNA 70 SQUARE CUT RINGS

This quad-ring is supplied in AS568-108 black Buna-N (Nitrile) 70 Shore A square profile supplied with an inside diameter of 0.237 in (6.02 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.443 in (11.25 mm), catalogued under part number SH70108. It seats in a standard o-ring gland while offering improved dynamic performance.

Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, strong abrasion and tear resistance. The material holds up against propane and butane, many alcohols, and greases and lubricants. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ozone and direct sunlight or ketones are present.

It sees regular use in fluid power, agricultural equipment, and general industrial maintenance.

This item is sold individually under part number SH70108. Nominal inside diameter is listed as 1/4 inch. Review your operating media and conditions against this specification before installation. 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.