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568-045 GREEN HNBR (HSN) 70 ORINGS

HNBR O-Ring, 3.989 in ID x 0.07 CS, 70A, Green, -40 to 325°F

Status
Out of Stock
Est. Ship Date
21 Oct 2026
Material
HNBR
Dash Size
45
Durometer
70 Shore A
Cross Section Type
Round
Color
Green
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
325°F (163°C)
Nominal Cross Section
1/16 inch
Nominal Inside Diameter
4 inch
Nominal Outside Diameter
4 1/8 inch
Unit of Measure
EA
SKU:
HS70045

Product Specification

-
This o-ring is supplied in AS568-045 green HNBR (Hydrogenated Nitrile) 70 Shore A with an inside diameter of 3.989 in (101.32 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 4.129 in (104.88 mm), catalogued under part number HS70045. It delivers dependable bidirectional sealing in a compact groove envelope.

As a material, HNBR (Hydrogenated Nitrile) is known for long service life in refrigerant and oilfield duty, improved ozone and weathering resistance over standard nitrile. It resists heat and oxidation, sour gas and amine inhibitors, and ozone and weathering. Service temperature is rated from -40°F (-40°C) through 325°F (162.8°C). It should not be specified for service in ketones or chlorinated hydrocarbons.

It sees regular use in commercial refrigeration, automotive air conditioning, and engine timing systems.

Reference part number HS70045 when ordering; the item is sold individually. Check the compound against your process media, pressure and temperature before committing to a design.
Item
HS70045
Description
568-045 GREEN HNBR (HSN) 70 ORINGS
Actual Cross Section
0.07 inch (1.78 mm)
Actual Inside Diameter
3.989 inch (101.32 mm)
Actual Outside Diameter
4.129 inch (104.88 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6006
Product Category
O-Rings - Bulk - Premium