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568-475 HSN90 DURO ORINGS

HNBR O-Ring, 25.94 in ID x 0.275 CS, 90A, Green, -40 to 325°F

Status
Out of Stock
Est. Ship Date
20 Oct 2026
Material
HNBR
Dash Size
475
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
26 inch
Nominal Outside Diameter
26 1/2 inch
Unit of Measure
EA
SKU:
HSN90475

Product Specification

-
HSN90475 is an AS568-475 green HNBR (Hydrogenated Nitrile) 90 Shore A O-Ring with an inside diameter of 25.94 in (658.88 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 26.49 in (672.85 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Expect good resistance to ozone and weathering, heat and oxidation, and modern refrigerants. HNBR (Hydrogenated Nitrile) offers the oil resistance of nitrile with substantially better heat capability and strong resistance to rapid gas decompression. Continuous operating temperature is published at -40°F (-40°C) to 325°F (162.8°C).

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

Order part number HSN90475, sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Item
HSN90475
Description
568-475 HSN90 DURO ORINGS
Actual Cross Section
0.275 inch (6.99 mm)
Actual Inside Diameter
25.94 inch (658.88 mm)
Actual Outside Diameter
26.49 inch (672.85 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6006
Product Category
O-Rings - Bulk - Premium