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568-428 URETHANE 90 ORINGS -PREM GRADE

Urethane O-Ring, 4.85 in ID x 0.275 CS, 90A, Clear, -65 to 200°F

Status
Out of Stock
Est. Ship Date
21 Oct 2026
Material
Urethane
Dash Size
428
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
1/4 inch
Nominal Inside Diameter
4 7/8 inch
Nominal Outside Diameter
5 3/8 inch
Unit of Measure
EA
SKU:
U90428

Product Specification

-
This o-ring is supplied in AS568-428 clear Polyurethane (AU/EU) 90 Shore A built to an inside diameter of 4.85 in (123.19 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.4 in (137.16 mm), catalogued under part number U90428. It delivers dependable bidirectional sealing in a compact groove envelope.

Polyurethane (AU/EU) is known for very high tensile strength and load capacity, long wear life in dynamic reciprocating service. The material holds up against ozone, petroleum oils, and impact and shock loading. 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 high-pressure fluid power, construction machinery, and mining and heavy equipment.

This item is sold individually under part number U90428. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
U90428
Description
568-428 URETHANE 90 ORINGS -PREM GRADE
Actual Cross Section
0.275 inch (6.99 mm)
Actual Inside Diameter
4.85 inch (123.19 mm)
Actual Outside Diameter
5.4 inch (137.16 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6006
Product Category
O-Rings - Bulk - Premium