**568-128 URETHANE 90 ORINGS -PR GRADE

Part number U90128 is an AS568-128 clear Polyurethane (AU/EU) 90 Shore A O-Ring measuring an inside diameter of 1.487 in (37.77 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.693 in (43 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Polyurethane (AU/EU) is known for toughness that outperforms conventional rubber compounds and exceptional abrasion resistance. The compound resists abrasion and wear, impact and shock loading, and petroleum oils. The material carries a published service range of -65°F (-53.9°C) to 200°F (93.3°C). Verify compatibility before use with acids and bases or hot water and steam.

Typical settings include hydraulic cylinders, construction machinery, and off-highway equipment.

Order part number U90128, sold individually. Nominal inside diameter is listed as 1 1/2 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.