The U90378 is an AS568-378 clear Polyurethane (AU/EU) 90 Shore A O-Ring measuring an inside diameter of 10.475 in (266.07 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 10.895 in (276.73 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.
It resists ozone, impact and shock loading, and extrusion under high pressure. Polyurethane (AU/EU) is specified for outstanding extrusion resistance at elevated pressure, very high tensile strength and load capacity. 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 prolonged humidity at elevated temperature or ketones.
Common environments for this compound include press and forming equipment, off-highway equipment, and high-pressure fluid power.
This item is sold individually under part number U90378. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description 568-378 URETHANE 90 ORINGS -PREM GRADE
uf_description2 10.475" (266.07MM) ID X .210" (5.33MM
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 10.475 inch (266.07 mm)
Actual_OD 10.895 inch (276.73 mm)
ProductCode Description O-Rings - Bulk - Premium