1MM CS X 8MM ID BLACK BUNA 70D

Buna-N O-Ring, 1 x 8 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:
H1X8
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Product Specification

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The H1X8 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 8 mm (0.315 in), a cross section of 1 mm (0.039 in), and an outside diameter of 10 mm (0.39 in). This o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, reliable performance in both static and dynamic service. The material holds up against greases and lubricants, many alcohols, and hydraulic fluids. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in ozone and direct sunlight or polar solvents.

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

Stocked as H1X8 and sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
H1X8
Description
1MM CS X 8MM ID BLACK BUNA 70D
Actual Outside Diameter
10 mm (0.39 inch)
Actual Cross Section
1 mm (0.039 inch)
Actual Inside Diameter
8 mm (0.315 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity