5MM CS X 90MM ID BLACK BUNA 70D

Buna-N O-Ring, 5 x 90 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:
H5X90
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Product Specification

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Part number H5X90 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 90 mm (3.543 in), a cross section of 5 mm (0.197 in), and an outside diameter of 100 mm (3.94 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

As a material, Buna-N (Nitrile) offers reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. It resists hydraulic fluids, greases and lubricants, and propane and butane. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where ozone and direct sunlight or polar solvents are present.

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

Order part number H5X90, sold individually. Unit weight is approximately 7.156 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Item
H5X90
Description
5MM CS X 90MM ID BLACK BUNA 70D
Actual Outside Diameter
100 mm (3.94 inch)
Actual Cross Section
5 mm (0.197 inch)
Actual Inside Diameter
90 mm (3.543 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity