5MM CS X 260MM ID BLACK BUNA 70D

Buna-N O-Ring, 5 x 260 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:
H5X260
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Product Specification

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This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 260 mm (10.236 in), a cross section of 5 mm (0.197 in), and an outside diameter of 270 mm (10.63 in), catalogued under part number H5X260. It remains the most cost-effective sealing element available for pressurized assemblies.

This material stands up to greases and lubricants, hydraulic fluids, and water. Buna-N (Nitrile) is specified for low compression set under sustained load and an economical choice for high-volume maintenance programs. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in strong acids or automotive brake fluid.

Typical settings include fluid power, general industrial maintenance, and automotive.

H5X260 ships individually. Unit weight is approximately 19.9637 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
H5X260
Description
5MM CS X 260MM ID BLACK BUNA 70D
Actual Outside Diameter
270 mm (10.63 inch)
Actual Cross Section
5 mm (0.197 inch)
Actual Inside Diameter
260 mm (10.236 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity