568-372 BUNA 70 SQUARE CUT RINGS

This quad-ring is supplied in AS568-372 black Buna-N (Nitrile) 70 Shore A square profile measuring an inside diameter of 8.725 in (221.62 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 9.145 in (232.28 mm), catalogued under part number SH70372. It 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, most widely specified general-purpose sealing elastomer. The compound resists hydraulic fluids, petroleum-based oils, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

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

This item is sold individually under part number SH70372. Application requirements vary, so validate compatibility with your process conditions prior to installation.