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568-255 URETHANE 90 ORINGS -PREM GRADE

Urethane O-Ring, 5.609 in ID x 0.139 CS, 90A, Clear, -65 to 200°F

Status
Out of Stock
Est. Ship Date
21 Oct 2026
Material
Urethane
Dash Size
255
Durometer
90 Shore A
Cross Section Type
Round
Color
Clear
Minimum Temperature
-65°F (-53.9°C)
Maximum Temperature
200°F (93.3°C)
Nominal Cross Section
1/8 inch
Nominal Inside Diameter
5 5/8 inch
Nominal Outside Diameter
5 7/8 inch
Unit of Measure
EA
SKU:
U90255

Product Specification

-
Part number U90255 is an AS568-255 clear Polyurethane (AU/EU) 90 Shore A O-Ring with an inside diameter of 5.609 in (142.47 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.887 in (149.53 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Polyurethane (AU/EU) is valued for long wear life in dynamic reciprocating service and outstanding extrusion resistance at elevated pressure. Expect good resistance to ozone, extrusion under high pressure, and petroleum oils. Rated temperature range runs from -65°F (-53.9°C) to 200°F (93.3°C) in continuous service.

Typical settings include press and forming equipment, off-highway equipment, and construction machinery.

This item is sold individually under part number U90255. Nominal inside diameter is listed as 5 5/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
U90255
Description
568-255 URETHANE 90 ORINGS -PREM GRADE
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
5.609 inch (142.47 mm)
Actual Outside Diameter
5.887 inch (149.53 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6006
Product Category
O-Rings - Bulk - Premium