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568-389 URETHANE 70 DURO ORINGS

Urethane O-Ring, 19.953 in ID x 0.21 CS, 70A, Clear, -65 to 200°F

Status
Out of Stock
Est. Ship Date
22 Oct 2026
Material
Urethane
Dash Size
389
Durometer
70 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
3/16 inch
Nominal Inside Diameter
20 inch
Nominal Outside Diameter
20 3/8 inch
Unit of Measure
EA
SKU:
U70389

Product Specification

-
U70389 is an AS568-389 clear Polyurethane (AU/EU) 70 Shore A O-Ring built to an inside diameter of 19.953 in (506.81 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 20.373 in (517.47 mm). In service, this o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Expect good resistance to ozone, extrusion under high pressure, and petroleum oils. Polyurethane (AU/EU) is specified for exceptional abrasion resistance, very high tensile strength and load capacity. Service temperature is rated from -65°F (-53.9°C) through 200°F (93.3°C).

It sees regular use in high-pressure fluid power, hydraulic cylinders, and off-highway equipment.

Order part number U70389, sold individually. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
U70389
Description
568-389 URETHANE 70 DURO ORINGS
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
19.953 inch (506.81 mm)
Actual Outside Diameter
20.373 inch (517.47 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6006
Product Category
O-Rings - Bulk - Premium