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568-156 GREEN HNBR (HSN) 70 ORINGS

HNBR O-Ring, 4.237 in ID x 0.103 CS, 70A, Green, -40 to 325°F

Status
Out of Stock
Est. Ship Date
20 Oct 2026
Material
HNBR
Dash Size
156
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
3/32 inch
Nominal Inside Diameter
4 1/4 inch
Nominal Outside Diameter
4 7/16 inch
Unit of Measure
EA
SKU:
HS70156

Product Specification

-
Ordered as HS70156, this is an AS568-156 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring with an inside diameter of 4.237 in (107.62 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 4.443 in (112.85 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, HNBR (Hydrogenated Nitrile) is known for excellent abrasion and tear strength, long service life in refrigerant and oilfield duty. It resists petroleum oils and fuels, ozone and weathering, and heat and oxidation. Service temperature is rated from -40°F (-40°C) through 325°F (162.8°C).

It sees regular use in engine timing systems, automotive air conditioning, and oilfield and downhole equipment.

Reference part number HS70156 when ordering; the item is sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
HS70156
Description
568-156 GREEN HNBR (HSN) 70 ORINGS
Actual Cross Section
0.103 inch (2.62 mm)
Actual Inside Diameter
4.237 inch (107.62 mm)
Actual Outside Diameter
4.443 inch (112.85 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6006
Product Category
O-Rings - Bulk - Premium