568-454 URETHANE 90 ORINGS -PREM GRADE

The U90454 is an AS568-454 clear Polyurethane (AU/EU) 90 Shore A O-Ring supplied with an inside diameter of 12.475 in (316.87 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 13.025 in (330.84 mm). This o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

The material holds up against abrasion and wear, petroleum oils, and impact and shock loading. Polyurethane (AU/EU) delivers long wear life in dynamic reciprocating service, very high tensile strength and load capacity. Continuous operating temperature is published at -65°F (-53.9°C) to 200°F (93.3°C).

Typical settings include high-pressure fluid power, mining and heavy equipment, and off-highway equipment.

Order part number U90454, sold individually. Nominal inside diameter is listed as 12 1/2 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.