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Condition:
Factory New
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Learn more:
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MFR:
RPI
Ships from Manufacturer
- MPN: RPO388
- Phone: (800) 221-9723
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Frequently asked questions
Does this provide a reliable seal for sterilizers?
Yes. This O-ring is constructed from high-grade silicone with a 70 durometer rating, specifically engineered to provide the consistent and reliable sealing performance required for medical-grade sterilization systems.
Is this a direct replacement for the STERIS OEM part?
Absolutely. The RPI RPO388 is precision-engineered to serve as a direct replacement for OEM Part #450610, ensuring seamless integration and compatibility with your STERIS System 1 equipment.
How many units come in each package?
Each order includes a convenient package of 6 O-rings, providing you with essential spares to keep on hand for routine maintenance and repair procedures.
Are these O-rings made from durable materials?
Yes, they are manufactured using high-grade silicone. This material is chosen for its durability and its ability to maintain integrity under the demanding conditions of endoscope processing and bulk sterilization.
Will this part fit my specific STERIS unit?
The RPO388 is specifically designed for the STERIS System 1 (International models). It is also designed to fit the HP small drogue inside those systems, ensuring a precise fit for professional maintenance.
Can I use these as part of a larger repair kit?
Yes. While these are available as a standalone pack of 6, these specific O-rings are also integral components within the RPI O-Ring Kits SSK050 and SSV004, making them ideal for comprehensive system overhauls.
What are the exact measurements of this O-ring?
These O-rings adhere to the following precise specifications:
- ID (Inner Diameter): .426”
- OD (Outer Diameter): .566”
- C/S (Cross Section): .070”
Is this considered a professional-grade component?
Yes. This part is a factory-new, professional-grade component frequently utilized by biomedical technicians and hospital maintenance departments to ensure the safety and integrity of medical equipment.
Does the 70 durometer rating ensure proper hardness?
Yes, the 70 durometer rating is the industry standard for this application, offering the ideal balance of flexibility and firmness required to create an airtight, secure seal within STERIS processing systems.
Is this the correct part for international STERIS units?
Yes. The RPI RPO388 is specifically intended for use with STERIS System 1 International models, providing a reliable and verified alternative to the original manufacturer part.

RPI RPO388 Industry Part #As568-013