568-353 URETHANE 90 ORINGS -PREM GRADE

This o-ring is supplied in AS568-353 clear Polyurethane (AU/EU) 90 Shore A with an inside diameter of 4.975 in (126.37 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.395 in (137.03 mm), catalogued under part number U90353. It creates a positive seal at flange, piston and rod interfaces without added hardware.

Polyurethane (AU/EU) is specified here for toughness that outperforms conventional rubber compounds and long wear life in dynamic reciprocating service. It resists ozone, petroleum oils, and impact and shock loading. Continuous operating temperature is published at -65°F (-53.9°C) to 200°F (93.3°C).

Typical settings include construction machinery, high-pressure fluid power, and off-highway equipment.

This item is sold individually under part number U90353. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.