2MM CS X 2.5MM ID BLACK BUNA 70D

Buna-N O-Ring, 2 x 2.5 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:
H2X2.5
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Product Specification

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Part number H2X2.5 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 2.5 mm (0.098 in), a cross section of 2 mm (0.079 in), and an outside diameter of 6.5 mm (0.26 in). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs and low compression set under sustained load. This material stands up to water, many alcohols, and greases and lubricants. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or ozone and direct sunlight call for a different compound.

Typical settings include fluid power, automotive, and hydraulic and pneumatic systems.

Stocked as H2X2.5 and sold individually. Unit weight is approximately 0.0557 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
H2X2.5
Description
2MM CS X 2.5MM ID BLACK BUNA 70D
Actual Outside Diameter
6.5 mm (0.26 inch)
Actual Cross Section
2 mm (0.079 inch)
Actual Inside Diameter
2.5 mm (0.098 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity