3MM CS X 160MM ID BLACK BUNA 70D

Buna-N O-Ring, 3 x 160 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:
H3X160
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Product Specification

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Part number H3X160 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 160 mm (6.299 in), a cross section of 3 mm (0.118 in), and an outside diameter of 166 mm (6.54 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

The compound resists propane and butane, petroleum-based oils, and hydraulic fluids. Buna-N (Nitrile) is valued for low compression set under sustained load and an economical choice for high-volume maintenance programs. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ozone and direct sunlight or strong acids are present.

Typical settings include automotive, hydraulic and pneumatic systems, and general industrial maintenance.

Order part number H3X160, sold individually. Unit weight is approximately 4.358 g. Check the compound against your process media, pressure and temperature before committing to a design.
Item
H3X160
Description
3MM CS X 160MM ID BLACK BUNA 70D
Actual Outside Diameter
166 mm (6.54 inch)
Actual Cross Section
3 mm (0.118 inch)
Actual Inside Diameter
160 mm (6.299 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity