8MM CS X 35MM ID BLACK BUNA 70D

Buna-N O-Ring, 8 x 35 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:
H8X35
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Product Specification

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H8X35 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 35 mm (1.378 in), a cross section of 8 mm (0.315 in), and an outside diameter of 51 mm (2.01 in). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

The material holds up against greases and lubricants, hydraulic fluids, and petroleum-based oils. Buna-N (Nitrile) is known for reliable performance in both static and dynamic service, low compression set under sustained load. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving polar solvents or strong acids call for a different compound.

It sees regular use in construction equipment, general industrial maintenance, and fluid power.

This item is sold individually under part number H8X35. Unit weight is approximately 8.24 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Item
H8X35
Description
8MM CS X 35MM ID BLACK BUNA 70D
Actual Outside Diameter
51 mm (2.01 inch)
Actual Cross Section
8 mm (0.315 inch)
Actual Inside Diameter
35 mm (1.378 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity