568-159 URETHANE 90 ORINGS -PREM GRADE

Part number U90159 is an AS568-159 clear Polyurethane (AU/EU) 90 Shore A O-Ring measuring an inside diameter of 4.987 in (126.67 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 5.193 in (131.9 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

This material stands up to impact and shock loading, abrasion and wear, and ozone. Polyurethane (AU/EU) is known for exceptional abrasion resistance and toughness that outperforms conventional rubber compounds. Rated temperature range runs from -65°F (-53.9°C) to 200°F (93.3°C) in continuous service. It is not the right choice where ketones or hot water and steam are present.

Maintenance and OEM teams specify it across press and forming equipment, hydraulic cylinders, and construction machinery.

Stocked as U90159 and sold individually. Nominal inside diameter is listed as 5 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.