4MM CS X 150MM ID BLACK BUNA 70D

Buna-N O-Ring, 4 x 150 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:
H4X150
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Product Specification

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Ordered as H4X150, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 150 mm (5.906 in), a cross section of 4 mm (0.157 in), and an outside diameter of 158 mm (6.22 in). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) offers low compression set under sustained load, reliable performance in both static and dynamic service. This material stands up to propane and butane, petroleum-based oils, and hydraulic fluids. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with strong acids or polar solvents.

Typical settings include automotive, construction equipment, and general industrial maintenance.

This item is sold individually under part number H4X150. Unit weight is approximately 0.0076 g. Review your operating media and conditions against this specification before installation.
Item
H4X150
Description
4MM CS X 150MM ID BLACK BUNA 70D
Actual Outside Diameter
158 mm (6.22 inch)
Actual Cross Section
4 mm (0.157 inch)
Actual Inside Diameter
150 mm (5.906 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity