1.6MM CS X 8.1MM ID BLACK BUNA 70D

Buna-N O-Ring, 1.6 x 8.1 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:
H1.6X8.1
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Product Specification

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APG stocks the H1.6X8.1, a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 8.1 mm (0.319 in), a cross section of 1.6 mm (0.063 in), and an outside diameter of 11.3 mm (0.44 in). An o-ring compresses into its gland to block fluid or gas migration across a joint.

As a material, Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. This material stands up to hydraulic fluids, propane and butane, and water. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Applications involving ketones or ozone and direct sunlight call for a different compound.

It sees regular use in hydraulic and pneumatic systems, fluid power, and construction equipment.

H1.6X8.1 ships individually. Unit weight is approximately 0.0001 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Item
H1.6X8.1
Description
1.6MM CS X 8.1MM ID BLACK BUNA 70D
Actual Outside Diameter
11.3 mm (0.44 inch)
Actual Cross Section
1.6 mm (0.063 inch)
Actual Inside Diameter
8.1 mm (0.319 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity