5MM CS X 120MM ID BLACK BUNA 70D

Buna-N O-Ring, 5 x 120 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:
H5X120
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Product Specification

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Part number H5X120 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 120 mm (4.724 in), a cross section of 5 mm (0.197 in), and an outside diameter of 130 mm (5.12 in). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is valued for the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. This material stands up to water, propane and butane, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in strong acids or automotive brake fluid.

You will find this material specified across fluid power, agricultural equipment, and automotive.

Order part number H5X120, sold individually. Unit weight is approximately 9.4168 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
H5X120
Description
5MM CS X 120MM ID BLACK BUNA 70D
Actual Outside Diameter
130 mm (5.12 inch)
Actual Cross Section
5 mm (0.197 inch)
Actual Inside Diameter
120 mm (4.724 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity