2.4MM CS X 17.8MM ID BLACK BUNA 70D

Buna-N O-Ring, 2.4 x 17.8 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:
H2.4X17.8
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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 17.8 mm (0.701 in), a cross section of 2.4 mm (0.094 in), and an outside diameter of 22.6 mm (0.89 in), catalogued under part number H2.4X17.8. It remains the most cost-effective sealing element available for pressurized assemblies. Source specification: Metric O-RING, JIS P18.

As a material, Buna-N (Nitrile) is specified for reliable performance in both static and dynamic service, strong abrasion and tear resistance. It resists many alcohols, greases and lubricants, and hydraulic fluids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It is not the right choice where automotive brake fluid or polar solvents are present.

Common environments for this compound include hydraulic and pneumatic systems, construction equipment, and agricultural equipment.

Order part number H2.4X17.8, sold individually. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Item
H2.4X17.8
Description
2.4MM CS X 17.8MM ID BLACK BUNA 70D
Actual Outside Diameter
22.6 mm (0.89 inch)
Actual Cross Section
2.4 mm (0.094 inch)
Actual Inside Diameter
17.8 mm (0.701 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity