568-471 URETHANE 90 ORINGS -PREM GRADE

U90471 is an AS568-471 clear Polyurethane (AU/EU) 90 Shore A O-Ring built to an inside diameter of 21.955 in (557.66 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 22.505 in (571.63 mm). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint.

Polyurethane (AU/EU) is specified for long wear life in dynamic reciprocating service and exceptional abrasion resistance. The material holds up against ozone, petroleum oils, and impact and shock loading. Service temperature is rated from -65°F (-53.9°C) through 200°F (93.3°C). Verify compatibility before use with acids and bases or hot water and steam.

Maintenance and OEM teams specify it across off-highway equipment, press and forming equipment, and construction machinery.

Reference part number U90471 when ordering; the item is sold individually. Nominal inside diameter is listed as 22 inch. Check the compound against your process media, pressure and temperature before committing to a design. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.