This o-ring is supplied in AS568-379 clear Polyurethane (AU/EU) 90 Shore A with an inside diameter of 10.975 in (278.77 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 11.395 in (289.43 mm), catalogued under part number U90379. It compresses into its gland to block fluid or gas migration across a joint.
Polyurethane (AU/EU) is valued for long wear life in dynamic reciprocating service and exceptional abrasion resistance. It resists extrusion under high pressure, impact and shock loading, and abrasion and wear. Published continuous service range is -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.
Common environments for this compound include high-pressure fluid power, off-highway equipment, and mining and heavy equipment.
Order part number U90379, sold individually. Nominal inside diameter is listed as 11 inch. Review your operating media and conditions against this specification before installation.
Description 568-379 URETHANE 90 ORINGS -PREM GRADE
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 10.975 inch (278.77 mm)
Actual Outside Diameter 11.395 inch (289.43 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium