2MM CS X 83MM ID BLACK BUNA 70D

Buna-N O-Ring, 2 x 83 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Durometer
70 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Unit of Measure
EA
SKU:
H2X83
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Product Specification

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This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A measuring an inside diameter of 83 mm (3.268 in), a cross section of 2 mm (0.079 in), and an outside diameter of 87 mm (3.43 in), catalogued under part number H2X83. It remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) delivers reliable performance in both static and dynamic service, low compression set under sustained load. Expect good resistance to hydraulic fluids, petroleum-based oils, and propane and butane. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Exposure to ketones or ozone and direct sunlight will shorten service life.

It sees regular use in general industrial maintenance, hydraulic and pneumatic systems, and agricultural equipment.

Order part number H2X83, sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
Item
H2X83
Description
2MM CS X 83MM ID BLACK BUNA 70D
Actual Outside Diameter
87 mm (3.43 inch)
Actual Cross Section
2 mm (0.079 inch)
Actual Inside Diameter
83 mm (3.268 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity