568-440 URETHANE 90 ORINGS -PREM GRADE

Part number U90440 is an AS568-440 clear Polyurethane (AU/EU) 90 Shore A O-Ring with an inside diameter of 6.725 in (170.82 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 7.275 in (184.79 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

As a material, Polyurethane (AU/EU) is valued for exceptional abrasion resistance, very high tensile strength and load capacity. It resists abrasion and wear, extrusion under high pressure, and petroleum oils. Service temperature is rated from -65°F (-53.9°C) through 200°F (93.3°C). Verify compatibility before use with hot water and steam or ketones.

Typical settings include press and forming equipment, mining and heavy equipment, and hydraulic cylinders.

Order part number U90440, sold individually. Nominal inside diameter is listed as 6 3/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.