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Condition:
Factory New
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Learn more:
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MFR:
RPI
Ships from Manufacturer
- MPN: MIS146
- Phone: (800) 221-9723
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Frequently asked questions
Is this a direct replacement for my M11?
Yes, the RPI MIS146 is a direct equivalent to OEM Part #053-0295-01. It is specifically engineered to be compatible with:
- Midmark-Ritter M11 Autoclaves
- Midmark-Ritter M11 Sterilizers
What is the primary function of this standoff?
This component is essential for securely mounting PC Boards to the equipment’s mounting plate. It ensures that electronic components are stable and correctly positioned within your sterilization unit.
Does it provide precise spacing for the board?
Yes, this standoff is manufactured to provide exactly 3/16” of spacing. This precision is critical for maintaining the proper clearance between the PC board and the mounting surface.
How does the locking mechanism work?
It utilizes a convenient Quarter Turn style mechanism. Once inserted into a 1/4” diameter hole, you simply perform a quarter turn to lock the component securely in place.
How many units come in a package?
To support your maintenance needs, this item is supplied in a package of four (4) individual standoffs.
Is this part used in any larger kits?
Yes, the MIS146 is a core component found within the RPI PCB Mounting Kit (RPI Part #MIK159), making it a reliable choice for comprehensive repairs.
Is this a high-quality OEM equivalent component?
Absolutely. This is a factory-new component built to match the specific industrial standards required for Midmark-Ritter equipment, ensuring optimal reliability and long-term performance.
What material is this standoff made from?
It is crafted from durable black plastic, a material chosen for its suitability in securing sensitive electronic boards while maintaining industrial longevity.
Are there specific mounting hole requirements?
Yes, to ensure the Quarter Turn mechanism functions correctly and locks firmly, you must insert the standoff into a hole with a 1/4” diameter.
Why use this instead of generic hardware?
Choosing this specific part ensures you get the exact dimensions and locking profile required for Midmark-Ritter hardware, which helps avoid alignment issues or connectivity failures common with generic alternatives.

RPI MIS146 Standoff