Ordered as U90203, this is an AS568-203 clear Polyurethane (AU/EU) 90 Shore A O-Ring supplied with an inside diameter of 0.296 in (7.52 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.574 in (14.58 mm). The 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 exceptional abrasion resistance and long wear life in dynamic reciprocating service. The material holds up against extrusion under high pressure, petroleum oils, and ozone. Service temperature is rated from -65°F (-53.9°C) through 200°F (93.3°C). Verify compatibility before use with acids and bases or ketones.
Common environments for this compound include mining and heavy equipment, off-highway equipment, and press and forming equipment.
U90203 ships individually. Nominal inside diameter is listed as 5/16 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description 568-203 URETHANE 90 ORINGS -PREM GRADE
uf_description2 .296" (7.52MM) ID X .139" (3.53MM) CS
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 0.296 inch (7.52 mm)
Actual_OD 0.574 inch (14.58 mm)
ProductCode Description O-Rings - Bulk - Premium