**568-341 URETHANE 90ORINGS -PR GRADE

U90341 is an AS568-341 clear Polyurethane (AU/EU) 90 Shore A O-Ring supplied with an inside diameter of 3.475 in (88.27 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.895 in (98.93 mm). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint.

Polyurethane (AU/EU) is specified here for long wear life in dynamic reciprocating service and outstanding extrusion resistance at elevated pressure. It resists petroleum oils, extrusion under high pressure, and ozone. Continuous operating temperature is published at -65°F (-53.9°C) to 200°F (93.3°C). It should not be specified for service in hot water and steam or ketones.

It sees regular use in off-highway equipment, hydraulic cylinders, and mining and heavy equipment.

Stocked as U90341 and sold individually. Nominal inside diameter is listed as 3 1/2 inch. Check the compound against your process media, pressure and temperature before committing to a design.