568-176 BUNA 70 SQUARE CUT RINGS

Ordered as SH70176, this is an AS568-176 black Buna-N (Nitrile) 70 Shore A square profile Quad-Ring built to an inside diameter of 9.237 in (234.62 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 9.443 in (239.85 mm). The quad-ring uses a four-lobed profile to create two sealing surfaces per side, reducing the squeeze needed to seal.

Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, economical choice for high-volume maintenance programs. This material stands up to hydraulic fluids, propane and butane, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving ozone and direct sunlight or ketones call for a different compound.

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

Stocked as SH70176 and sold individually. Nominal inside diameter is listed as 9 1/4 inch. Review your operating media and conditions against this specification before installation.