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Condition:
Factory New
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Learn more:
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MFR:
RPI
Ships from Manufacturer
- MPN: RPO677
- Phone: (800) 221-9723
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Frequently asked questions
Is this O-ring made of high-grade, durable material?
Yes, this O-ring is manufactured from high-grade Viton. Viton is widely valued in industrial and dental applications for its excellent resistance to harsh chemicals and its ability to withstand significant temperature fluctuations, ensuring long-lasting performance.
What is the hardness rating of this O-ring?
This O-ring features a 75 Duro hardness rating. This specific rating provides an ideal balance of material resistance and flexible sealing capability, making it reliable for critical components within your equipment.
Does this part fit Air Techniques dental compressors?
Yes, this component is precision-engineered for use within Air Techniques dental compressor systems, including the DR1 L-60 model. It serves as a vital seal specifically for Coalescing Filter Assemblies.
How many O-rings come in each package?
Each order includes three O-rings. This quantity is convenient for maintenance, allowing you to either replace multiple seals at once or keep immediate spares on hand for future repairs.
Which RPI filter assemblies are compatible with this part?
This O-ring is compatible with several critical Coalescing Filter Assemblies and Elements. It is designed to fit:
- CMK025 (Coalescing Filter Element)
- CMK027 (Coalescing Filter Element)
- CMK006 (Coalescing Filter Element)
- CMA022 (Coalescing Filter Assembly)
Are these replacement parts factory new?
Yes, all units supplied are Factory New. You can be confident that you are receiving unused, original-specification components that meet strict quality standards for your equipment maintenance.
What are the exact dimensions of this O-ring?
This O-ring is manufactured to standard industrial specifications:
- Inner Diameter (ID): 2.175 inches
- Outer Diameter (OD): 2.318 inches
- Cross Section (C/S): .103 inches
Is this part recognized by its industry part number?
Yes, this product corresponds to the Industry Part Number AS568-139. Using this standard reference ensures that you are ordering the correct size and profile required for your specific filter assembly needs.
Is this O-ring suitable for pressurized air systems?
Absolutely. This O-ring is specifically designed to maintain the integrity of Coalescing Filter Assemblies in air handling systems. Its durable Viton construction and 75 Duro rating ensure it holds up well under the conditions found in dental compressor environments.
What is the lead time for shipping this item?
This product ships directly from the manufacturer with a typical lead time of 1 to 2 weeks (approximately 7 days). Please account for this timeframe when planning your maintenance or repair schedule.

RPI RPO677 Industry Part #As568-139