3MM CS X 184MM ID BLACK BUNA 70D

Buna-N O-Ring, 3 x 184 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:
H3X184
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Product Specification

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H3X184 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 184 mm (7.244 in), a cross section of 3 mm (0.118 in), and an outside diameter of 190 mm (7.48 in). In service, this o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. The material holds up against greases and lubricants, water, and propane and butane. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

Common environments for this compound include general industrial maintenance, automotive, and agricultural equipment.

Order part number H3X184, sold individually. Unit weight is approximately 5.1131 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
H3X184
Description
3MM CS X 184MM ID BLACK BUNA 70D
Actual Outside Diameter
190 mm (7.48 inch)
Actual Cross Section
3 mm (0.118 inch)
Actual Inside Diameter
184 mm (7.244 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity