The U90361 is an AS568-361 clear Polyurethane (AU/EU) 90 Shore A O-Ring measuring an inside diameter of 5.975 in (151.77 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 6.395 in (162.43 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.
As a material, Polyurethane (AU/EU) is specified for exceptional abrasion resistance and long wear life in dynamic reciprocating service. This material stands up to impact and shock loading, extrusion under high pressure, and petroleum oils. The material carries a published service range of -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.
Typical settings include press and forming equipment, off-highway equipment, and high-pressure fluid power.
Reference part number U90361 when ordering; the item is sold individually. Nominal inside diameter is listed as 6 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
description 568-361 URETHANE 90 ORINGS -PREM GRADE
uf_description2 5.975" (151.77MM) ID X .210" (5.33MM)
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 5.975 inch (151.77 mm)
Actual_OD 6.395 inch (162.43 mm)
ProductCode Description O-Rings - Bulk - Premium