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568-426 HSN90 DURO ORINGS

HNBR O-Ring, 4.6 in ID x 0.275 CS, 90A, Green, -40 to 325°F

Status
Out of Stock
Est. Ship Date
22 Oct 2026
Material
HNBR
Dash Size
426
Durometer
90 Shore A
Cross Section Type
Round
Color
Green
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
325°F (163°C)
Nominal Cross Section
1/4 inch
Nominal Inside Diameter
4 5/8 inch
Nominal Outside Diameter
5 1/8 inch
Unit of Measure
EA
SKU:
HSN90426

Product Specification

-
The HSN90426 is an AS568-426 green HNBR (Hydrogenated Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 4.6 in (116.84 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.15 in (130.81 mm). This o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

HNBR (Hydrogenated Nitrile) offers improved ozone and weathering resistance over standard nitrile, excellent abrasion and tear strength. It resists heat and oxidation, ozone and weathering, and sour gas and amine inhibitors. Continuous operating temperature is published at -40°F (-40°C) to 325°F (162.8°C).

Common environments for this compound include heavy-duty powertrain, oilfield and downhole equipment, and engine timing systems.

Reference part number HSN90426 when ordering; the item is sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Item
HSN90426
Description
568-426 HSN90 DURO ORINGS
Actual Cross Section
0.275 inch (6.99 mm)
Actual Inside Diameter
4.6 inch (116.84 mm)
Actual Outside Diameter
5.15 inch (130.81 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6006
Product Category
O-Rings - Bulk - Premium