8MM CS X 230MM ID BLACK BUNA 70D

Buna-N O-Ring, 8 x 230 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:
H8X230
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Product Specification

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H8X230 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 230 mm (9.055 in), a cross section of 8 mm (0.315 in), and an outside diameter of 246 mm (9.69 in). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, strong abrasion and tear resistance. The compound resists greases and lubricants, water, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

Common environments for this compound include hydraulic and pneumatic systems, construction equipment, and general industrial maintenance.

Reference part number H8X230 when ordering; the item is sold individually. Unit weight is approximately 45.9 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Item
H8X230
Description
8MM CS X 230MM ID BLACK BUNA 70D
Actual Outside Diameter
246 mm (9.69 inch)
Actual Cross Section
8 mm (0.315 inch)
Actual Inside Diameter
230 mm (9.055 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity