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Condition:
Factory New
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Learn more:
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MFR:
RPI
Ships from Manufacturer
- MPN: RPO864
- Phone: (800) 221-9723
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Frequently asked questions
Is this O-ring made of a highly durable material?
Yes, this O-ring is manufactured from Brown Viton. This material is highly regarded in industrial applications for its excellent chemical resistance and long-term durability, making it superior to standard rubber alternatives.
Does this part provide the right level of sealing force?
Absolutely. It features a 70 Duro hardness rating, which is the industry standard for ensuring the appropriate compression and sealing force required for reliable, leak-free operation.
Is this component compatible with RPI valve repair kits?
Yes, this specific O-ring is a documented component within the RPI Valve Repair Kit (Part #CSK096). It is an ideal replacement if you are already performing maintenance using that kit.
Are the dimensions precise for a consistent fit?
Yes, this part is precision-engineered to exact specifications to ensure reliable installation.
- Inner Diameter (ID): 52mm (2.047 inches)
- Outer Diameter (OD): 58mm (2.285 inches)
- Cross-Section (CS): 3mm (.118 inches)
Does the order include multiple O-rings for convenience?
Yes, each order is supplied in a package containing 3 individual O-rings. This is helpful for shops that prefer to have extra parts on hand for immediate replacements or larger projects.
Can this be used for general shop sealing applications?
Yes, this O-ring is classified under General Shop Aids. While it is a precision part for specific valve kits, it is perfectly suitable for any miscellaneous sealing application that requires these exact dimensional specifications.
Is this a brand-new, reliable component?
This product is Factory New. It is manufactured to meet rigorous quality standards for industrial performance, ensuring you receive a fresh, high-integrity seal for your equipment.
Why is the Viton material better for my equipment?
Viton is a premium material known for its superior resistance to chemical degradation and heat. Choosing a Viton O-ring provides peace of mind that the seal will maintain its integrity over time, even in demanding operational environments.
Is this O-ring suitable for critical sealing tasks?
Given its professional-grade material composition (Brown Viton) and specific 70 Duro hardness, this O-ring is engineered for critical sealing environments where reliability and consistent performance are paramount.
How can I ensure this fits my specific equipment requirements?
To ensure a correct fit, please verify that your equipment or service manual requires a seal with the following dimensions:
- Inner Diameter: 52mm
- Outer Diameter: 58mm
- Cross-Section: 3mm
If these measurements match your existing requirements, this RPI part is the correct selection.

RPI RPO864 O-Ring