You have no items in your shopping cart.

*568-344 GREEN HNBR (HSN) 70 ORINGS

HNBR O-Ring, 3.85 in ID x 0.21 CS, 70A, Green, -40 to 325°F

Status
Out of Stock
Est. Ship Date
20 Oct 2026
Material
HNBR
Dash Size
344
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
3/16 inch
Nominal Inside Diameter
3 7/8 inch
Nominal Outside Diameter
4 1/4 inch
Unit of Measure
EA
SKU:
HS70344

Product Specification

-
Part number HS70344 is an AS568-344 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring with an inside diameter of 3.85 in (97.79 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.27 in (108.46 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

As a material, HNBR (Hydrogenated Nitrile) is specified for excellent abrasion and tear strength, strong resistance to rapid gas decompression. This material stands up to petroleum oils and fuels, heat and oxidation, and ozone and weathering. The material carries a published service range of -40°F (-40°C) to 325°F (162.8°C).

You will find this material specified across automotive air conditioning, oilfield and downhole equipment, and heavy-duty powertrain.

This item is sold individually under part number HS70344. Nominal inside diameter is listed as 3 7/8 inch. Review your operating media and conditions against this specification before installation.
Item
HS70344
Description
*568-344 GREEN HNBR (HSN) 70 ORINGS
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
3.85 inch (97.79 mm)
Actual Outside Diameter
4.27 inch (108.46 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6006
Product Category
O-Rings - Bulk - Premium