Ordered as U90913, this is an AS568-913 clear Polyurethane (AU/EU) 90 Shore A O-Ring supplied with an inside diameter of 0.986 in (25.04 mm), a cross section of 0.116 in (2.95 mm), and an outside diameter of 1.218 in (30.94 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
Polyurethane (AU/EU) is specified here for exceptional abrasion resistance and long wear life in dynamic reciprocating service. The compound resists impact and shock loading, petroleum oils, and ozone. Continuous operating temperature is published at -65°F (-53.9°C) to 200°F (93.3°C). It is not the right choice where acids and bases or ketones are present.
Maintenance and OEM teams specify it across hydraulic cylinders, mining and heavy equipment, and press and forming equipment.
This item is sold individually under part number U90913. Review your operating media and conditions against this specification before installation.
Description 568-913 URETHANE 90 ORINGS -PREM GRADE
Actual Cross Section 0.116 inch (2.95 mm)
Actual Inside Diameter 0.986 inch (25.04 mm)
Actual Outside Diameter 1.218 inch (30.94 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium