2MM CS X 118MM ID BLACK BUNA 70D

Buna-N O-Ring, 2 x 118 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:
H2X118
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Product Specification

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The H2X118 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 118 mm (4.646 in), a cross section of 2 mm (0.079 in), and an outside diameter of 122 mm (4.8 in). This o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, Buna-N (Nitrile) delivers low compression set under sustained load and the most widely specified general-purpose sealing elastomer. It resists water, greases and lubricants, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in strong acids or ketones.

You will find this material specified across construction equipment, automotive, and agricultural equipment.

Order part number H2X118, sold individually. Unit weight is approximately 1.5027 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Item
H2X118
Description
2MM CS X 118MM ID BLACK BUNA 70D
Actual Outside Diameter
122 mm (4.8 inch)
Actual Cross Section
2 mm (0.079 inch)
Actual Inside Diameter
118 mm (4.646 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity