568-345 BUNA 70 SQUARE CUT RINGS

Ordered as SH70345, this is an AS568-345 black Buna-N (Nitrile) 70 Shore A square profile Quad-Ring with an inside diameter of 3.975 in (100.97 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.395 in (111.63 mm). The quad-ring resists spiral failure in reciprocating service thanks to its multi-lobe geometry.

As a material, Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. The material holds up against hydraulic fluids, propane and butane, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

It sees regular use in general industrial maintenance, hydraulic and pneumatic systems, and automotive.

Stocked as SH70345 and sold individually. Unit weight is approximately 10.945 g and nominal inside diameter is listed as 4 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.