3MM CS X 147MM ID BLACK BUNA 70D

Buna-N O-Ring, 3 x 147 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:
H3X147
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Product Specification

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Ordered as H3X147, this is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 147 mm (5.787 in), a cross section of 3 mm (0.118 in), and an outside diameter of 153 mm (6.02 in). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, Buna-N (Nitrile) is known for an economical choice for high-volume maintenance programs and low compression set under sustained load. The material holds up against propane and butane, petroleum-based oils, and greases and lubricants. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

It sees regular use in agricultural equipment, fluid power, and general industrial maintenance.

This item is sold individually under part number H3X147. Unit weight is approximately 4.085 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
H3X147
Description
3MM CS X 147MM ID BLACK BUNA 70D
Actual Outside Diameter
153 mm (6.02 inch)
Actual Cross Section
3 mm (0.118 inch)
Actual Inside Diameter
147 mm (5.787 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity