568-216 BUNA 70 SQUARE CUT RINGS

SH70216 is an AS568-216 black Buna-N (Nitrile) 70 Shore A square profile Quad-Ring with an inside diameter of 1.109 in (28.17 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.387 in (35.23 mm). In service, this quad-ring seats in a standard o-ring gland while offering improved dynamic performance.

As a material, Buna-N (Nitrile) delivers the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. This material stands up to petroleum-based oils, propane and butane, and many alcohols. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ozone and direct sunlight or strong acids are present.

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

Stocked as SH70216 and sold individually. Unit weight is approximately 1.279 g. Check the compound against your process media, pressure and temperature before committing to a design.