568-390 URETHANE 90 ORINGS -PREM GRADE

APG stocks the U90390, an AS568-390 clear Polyurethane (AU/EU) 90 Shore A O-Ring measuring an inside diameter of 20.953 in (532.21 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 21.373 in (542.87 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Polyurethane (AU/EU) is specified here for very high tensile strength and load capacity, exceptional abrasion resistance. The compound resists extrusion under high pressure, ozone, and abrasion and wear. Rated temperature range runs from -65°F (-53.9°C) to 200°F (93.3°C) in continuous service.

You will find this material specified across off-highway equipment, press and forming equipment, and mining and heavy equipment.

Order part number U90390, sold individually. Review your operating media and conditions against this specification before installation.