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568-420 URETHANE 70 DURO ORINGS

Urethane O-Ring, 3.85 in ID x 0.275 CS, 70A, Clear, -65 to 200°F

Status
Out of Stock
Est. Ship Date
21 Oct 2026
Material
Urethane
Dash Size
420
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
1/4 inch
Nominal Inside Diameter
3 7/8 inch
Nominal Outside Diameter
4 3/8 inch
Unit of Measure
EA
SKU:
U70420

Product Specification

-
U70420 is an AS568-420 clear Polyurethane (AU/EU) 70 Shore A O-Ring with an inside diameter of 3.85 in (97.79 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.4 in (111.76 mm). In service, this o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Expect good resistance to impact and shock loading, abrasion and wear, and ozone. Polyurethane (AU/EU) is specified for outstanding extrusion resistance at elevated pressure and exceptional abrasion resistance. The material carries a published service range of -65°F (-53.9°C) to 200°F (93.3°C).

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

Order part number U70420, sold individually. Nominal inside diameter is listed as 3 7/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Item
U70420
Description
568-420 URETHANE 70 DURO ORINGS
Actual Cross Section
0.275 inch (6.99 mm)
Actual Inside Diameter
3.85 inch (97.79 mm)
Actual Outside Diameter
4.4 inch (111.76 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6006
Product Category
O-Rings - Bulk - Premium