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568-278 URETHANE 90 ORINGS -PREM GRADE

Urethane O-Ring, 11.984 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
278
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
12 inch
Nominal Outside Diameter
12 1/4 inch
Unit of Measure
EA
SKU:
U90278

Product Specification

-
This o-ring is supplied in AS568-278 clear Polyurethane (AU/EU) 90 Shore A supplied with an inside diameter of 11.984 in (304.39 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 12.262 in (311.45 mm), catalogued under part number U90278. It delivers dependable bidirectional sealing in a compact groove envelope.

It resists impact and shock loading, abrasion and wear, and extrusion under high pressure. Polyurethane (AU/EU) is known for very high tensile strength and load capacity, toughness that outperforms conventional rubber compounds. Rated temperature range runs from -65°F (-53.9°C) to 200°F (93.3°C) in continuous service.

You will find this material specified across hydraulic cylinders, off-highway equipment, and mining and heavy equipment.

This item is sold individually under part number U90278. Check the compound against your process media, pressure and temperature before committing to a design. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Item
U90278
Description
568-278 URETHANE 90 ORINGS -PREM GRADE
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
11.984 inch (304.39 mm)
Actual Outside Diameter
12.262 inch (311.45 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6006
Product Category
O-Rings - Bulk - Premium