2.4MM CS X 7.3MM ID BLACK BUNA 70D

Buna-N O-Ring, 2.4 x 7.3 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
1 Nov 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:
H2.4X7.3
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Product Specification

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This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 7.3 mm (0.287 in), a cross section of 2.4 mm (0.094 in), and an outside diameter of 12.1 mm (0.48 in), catalogued under part number H2.4X7.3. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. This material stands up to greases and lubricants, many alcohols, and propane and butane. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with strong acids or automotive brake fluid.

Maintenance and OEM teams specify it across general industrial maintenance, automotive, and hydraulic and pneumatic systems.

H2.4X7.3 ships individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Item
H2.4X7.3
Description
2.4MM CS X 7.3MM ID BLACK BUNA 70D
Actual Outside Diameter
12.1 mm (0.48 inch)
Actual Cross Section
2.4 mm (0.094 inch)
Actual Inside Diameter
7.3 mm (0.287 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity