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568-449 HSN90 DURO ORINGS

HNBR O-Ring, 9.975 in ID x 0.275 CS, 90A, Green, -40 to 325°F

Status
Out of Stock
Est. Ship Date
21 Oct 2026
Material
HNBR
Dash Size
449
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
10 inch
Nominal Outside Diameter
10 1/2 inch
Unit of Measure
EA
SKU:
HSN90449

Product Specification

-
This o-ring is supplied in AS568-449 green HNBR (Hydrogenated Nitrile) 90 Shore A built to an inside diameter of 9.975 in (253.37 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 10.525 in (267.34 mm), catalogued under part number HSN90449. It creates a positive seal at flange, piston and rod interfaces without added hardware.

As a material, HNBR (Hydrogenated Nitrile) offers excellent abrasion and tear strength, long service life in refrigerant and oilfield duty. The material holds up against sour gas and amine inhibitors, heat and oxidation, and petroleum oils and fuels. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C).

Typical settings include heavy-duty powertrain, commercial refrigeration, and automotive air conditioning.

This item is sold individually under part number HSN90449. Nominal inside diameter is listed as 10 inch. Review your operating media and conditions against this specification before installation.
Item
HSN90449
Description
568-449 HSN90 DURO ORINGS
Actual Cross Section
0.275 inch (6.99 mm)
Actual Inside Diameter
9.975 inch (253.37 mm)
Actual Outside Diameter
10.525 inch (267.34 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6006
Product Category
O-Rings - Bulk - Premium