568-442 BUNA 70 SQUARE CUT RINGS

APG stocks the SH70442, an AS568-442 black Buna-N (Nitrile) 70 Shore A square profile Quad-Ring built to an inside diameter of 7.225 in (183.52 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 7.775 in (197.49 mm). A quad-ring uses a four-lobed profile to create two sealing surfaces per side, reducing the squeeze needed to seal.

As a material, Buna-N (Nitrile) is known for an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. This material stands up to propane and butane, hydraulic fluids, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with ozone and direct sunlight or automotive brake fluid.

Common environments for this compound include general industrial maintenance, construction equipment, and agricultural equipment.

SH70442 ships individually. Unit weight is approximately 33.7575 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.