8MM CS X 360MM ID BLACK BUNA 70D

Buna-N O-Ring, 8 x 360 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
1 Nov 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:
H8X360
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Product Specification

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Ordered as H8X360, this is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 360 mm (14.173 in), a cross section of 8 mm (0.315 in), and an outside diameter of 376 mm (14.8 in). The 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, many alcohols, and water. Buna-N (Nitrile) is widely chosen for the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Applications involving strong acids or automotive brake fluid call for a different compound.

It sees regular use in automotive, agricultural equipment, and hydraulic and pneumatic systems.

Order part number H8X360, sold individually. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Item
H8X360
Description
8MM CS X 360MM ID BLACK BUNA 70D
Actual Outside Diameter
376 mm (14.8 inch)
Actual Cross Section
8 mm (0.315 inch)
Actual Inside Diameter
360 mm (14.173 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity