*568-109 90 DURO URETHANE O-RING

Part number U90109 is an AS568-109 clear Polyurethane (AU/EU) 90 Shore A O-Ring measuring an inside diameter of 0.299 in (7.59 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.505 in (12.83 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

Expect good resistance to abrasion and wear, extrusion under high pressure, and ozone. That behavior comes from the compound itself: Polyurethane (AU/EU) is valued for long wear life in dynamic reciprocating service and toughness that outperforms conventional rubber compounds. Published continuous service range is -65°F (-53.9°C) to 200°F (93.3°C).

Typical settings include mining and heavy equipment, off-highway equipment, and press and forming equipment.

This item is sold individually under part number U90109. Nominal inside diameter is listed as 5/16 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.