568-419 URETHANE 90 ORINGS -PREM GRADE

The U90419 is an AS568-419 clear Polyurethane (AU/EU) 90 Shore A O-Ring supplied with an inside diameter of 3.725 in (94.62 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.275 in (108.59 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Polyurethane (AU/EU) is known for long wear life in dynamic reciprocating service and outstanding extrusion resistance at elevated pressure. The compound resists ozone, abrasion and wear, and impact and shock loading. Rated temperature range runs from -65°F (-53.9°C) to 200°F (93.3°C) in continuous service. It should not be specified for service in prolonged humidity at elevated temperature or acids and bases.

It sees regular use in press and forming equipment, mining and heavy equipment, and high-pressure fluid power.

U90419 ships individually. Nominal inside diameter is listed as 3 3/4 inch. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.