5MM CS X 70MM ID BLACK BUNA 70D

Buna-N O-Ring, 5 x 70 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:
H5X70
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Product Specification

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Part number H5X70 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 70 mm (2.756 in), a cross section of 5 mm (0.197 in), and an outside diameter of 80 mm (3.15 in). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

As a material, Buna-N (Nitrile) delivers reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. The compound resists petroleum-based oils, hydraulic fluids, and water. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

You will find this material specified across fluid power, hydraulic and pneumatic systems, and automotive.

Reference part number H5X70 when ordering; the item is sold individually. Unit weight is approximately 5.7358 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Item
H5X70
Description
5MM CS X 70MM ID BLACK BUNA 70D
Actual Outside Diameter
80 mm (3.15 inch)
Actual Cross Section
5 mm (0.197 inch)
Actual Inside Diameter
70 mm (2.756 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity