Champion C411-2 Air Conditioning O-Ring 1/4 x 3/8 x 1/16"
Available
O-rings are the most widely used sealing element in hydraulic, pneumatic, and fluid systems — providing a reliable seal in static and dynamic groove applications. Part number C411-2. Champion O-rings are available in nitrile (NBR) for general oil and fuel applications, with an extensive size range in both metric and imperial series.
Where this tool is used
- Static and dynamic sealing in hydraulic cylinders, pneumatic actuators, valves, pump housings, and fluid system connectors requiring a reliable compression seal.
- General maintenance and workshop applications.
Selecting the right option
Match the O-ring cross-section (C/S) and inside diameter (I/D) to the groove dimensions — check both metric and imperial series for your application. Nitrile (NBR) is the standard choice for petroleum oils and hydraulic fluids; specify Viton (FKM) for elevated temperatures or aggressive chemical contact.
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1/4" / 3/8" / 1/16"
Model Number: C411-2
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3/8" / 1/2" / 1/16"
Model Number: C411-3
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3/16" / 5/16" / 1/16"
Model Number: C411-1
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3/4" / 15/16" / 3/32"
Model Number: C411-10
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5/8" / 13/16" / 3/32"
Model Number: C411-9
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7/16" / 5/8" / 3/32"
Model Number: C411-7
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7/16" / 9/16" / 1/16"
Model Number: C411-4
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9/16" / 3/4" / 3/32"
Model Number: C411-8
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9/16" / 11/16" / 1/16"
Model Number: C411-5
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11/16" / 13/16" / 1/16"
Model Number: C411-6
