2.5MM CS X 7.5MM ID BLACK BUNA 70D

Buna-N O-Ring, 2.5 x 7.5 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:
H2.5X7.5
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Product Specification

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The H2.5X7.5 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 7.5 mm (0.295 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 12.5 mm (0.49 in). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and most widely specified general-purpose sealing elastomer. Expect good resistance to petroleum-based oils, water, and propane and butane. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ketones or automotive brake fluid.

It sees regular use in construction equipment, automotive, and fluid power.

Order part number H2.5X7.5, sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
H2.5X7.5
Description
2.5MM CS X 7.5MM ID BLACK BUNA 70D
Actual Outside Diameter
12.5 mm (0.49 inch)
Actual Cross Section
2.5 mm (0.098 inch)
Actual Inside Diameter
7.5 mm (0.295 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity