2.5MM CS X 76MM ID BLACK BUNA 70D

Buna-N O-Ring, 2.5 x 76 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:
H2.5X76
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Product Specification

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Ordered as H2.5X76, this is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 76 mm (2.992 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 81 mm (3.19 in). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.

The material holds up against greases and lubricants, hydraulic fluids, and water. Buna-N (Nitrile) is specified for an economical choice for high-volume maintenance programs and low compression set under sustained load. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Applications involving ozone and direct sunlight or automotive brake fluid call for a different compound.

Common environments for this compound include automotive, general industrial maintenance, and fluid power.

Order part number H2.5X76, sold individually. Unit weight is approximately 1.501 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
H2.5X76
Description
2.5MM CS X 76MM ID BLACK BUNA 70D
Actual Outside Diameter
81 mm (3.19 inch)
Actual Cross Section
2.5 mm (0.098 inch)
Actual Inside Diameter
76 mm (2.992 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity