5MM CS X 180MM ID BLACK BUNA 70D

Buna-N O-Ring, 5 x 180 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:
H5X180
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Product Specification

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H5X180 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 180 mm (7.087 in), a cross section of 5 mm (0.197 in), and an outside diameter of 190 mm (7.48 in). In service, this o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. Expect good resistance to petroleum-based oils, greases and lubricants, and hydraulic fluids. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in polar solvents or automotive brake fluid.

Maintenance and OEM teams specify it across fluid power, construction equipment, and hydraulic and pneumatic systems.

This item is sold individually under part number H5X180. Unit weight is approximately 14.015 g. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Item
H5X180
Description
5MM CS X 180MM ID BLACK BUNA 70D
Actual Outside Diameter
190 mm (7.48 inch)
Actual Cross Section
5 mm (0.197 inch)
Actual Inside Diameter
180 mm (7.087 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity