568-108 URETHANE 90 ORINGS -PREM GRADE

U90108 is an AS568-108 clear Polyurethane (AU/EU) 90 Shore A O-Ring with an inside diameter of 0.237 in (6.02 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.443 in (11.25 mm). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, Polyurethane (AU/EU) is specified for exceptional abrasion resistance and long wear life in dynamic reciprocating service. The material holds up against petroleum oils, impact and shock loading, and abrasion and wear. The material carries a published service range of -65°F (-53.9°C) to 200°F (93.3°C). It should not be specified for service in acids and bases or prolonged humidity at elevated temperature.

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

U90108 ships individually. Nominal inside diameter is listed as 1/4 inch. 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.