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568-242 GREEN HNBR (HSN) 70 ORINGS

HNBR O-Ring, 3.984 in ID x 0.139 CS, 70A, Green, -40 to 325°F

Status
Out of Stock
Est. Ship Date
20 Oct 2026
Material
HNBR
Dash Size
242
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
1/8 inch
Nominal Inside Diameter
4 inch
Nominal Outside Diameter
4 1/4 inch
Unit of Measure
EA
SKU:
HS70242

Product Specification

-
This o-ring is supplied in AS568-242 green HNBR (Hydrogenated Nitrile) 70 Shore A supplied with an inside diameter of 3.984 in (101.19 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.262 in (108.25 mm), catalogued under part number HS70242. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

HNBR (Hydrogenated Nitrile) is valued for strong resistance to rapid gas decompression, long service life in refrigerant and oilfield duty. This material stands up to 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).

You will find this material specified across commercial refrigeration, heavy-duty powertrain, and automotive air conditioning.

Stocked as HS70242 and sold individually. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Item
HS70242
Description
568-242 GREEN HNBR (HSN) 70 ORINGS
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
3.984 inch (101.19 mm)
Actual Outside Diameter
4.262 inch (108.25 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6006
Product Category
O-Rings - Bulk - Premium