568-311 BUNA 70 SQUARE CUT RINGS

APG stocks the SH70311, an AS568-311 black Buna-N (Nitrile) 70 Shore A square profile Quad-Ring supplied with an inside diameter of 0.537 in (13.64 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 0.957 in (24.31 mm). A quad-ring provides a dual sealing band on each contact face for improved reliability.

Buna-N (Nitrile) is valued for strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. This material stands up to hydraulic fluids, many alcohols, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

It sees regular use in construction equipment, automotive, and hydraulic and pneumatic systems.

SH70311 ships individually. Nominal inside diameter is listed as 9/16 inch. Check the compound against your process media, pressure and temperature before committing to a design. 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.