2.5MM CS X 19.5MM ID BLACK BUNA 70D

Buna-N O-Ring, 2.5 x 19.5 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:
H2.5X19.5
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Product Specification

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H2.5X19.5 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 19.5 mm (0.768 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 24.5 mm (0.96 in). In service, this o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. It resists many alcohols, water, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ozone and direct sunlight or automotive brake fluid are present.

You will find this material specified across agricultural equipment, general industrial maintenance, and fluid power.

This item is sold individually under part number H2.5X19.5. Unit weight is approximately 0.4225 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Item
H2.5X19.5
Description
2.5MM CS X 19.5MM ID BLACK BUNA 70D
Actual Outside Diameter
24.5 mm (0.96 inch)
Actual Cross Section
2.5 mm (0.098 inch)
Actual Inside Diameter
19.5 mm (0.768 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity