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Condition:
Factory New
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Learn more:
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MFR:
RPI
Ships from Manufacturer
- MPN: PCW665
- Phone: (800) 221-9723
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Frequently asked questions
Is this washer compatible with original equipment specifications?
Yes, the RPI PCW665 is precision-engineered to correspond directly to OEM Part #006702. It serves as a reliable replacement designed to ensure proper fit and function within your equipment.
What material is used for these knuckle washers?
These washers are constructed from high-quality White Nylon. This material is specifically chosen for its durability and its ability to provide the necessary friction characteristics required for smooth articulation in light arm assemblies.
Does this part help restore stability to my light arm?
Absolutely. This washer is an essential component for the Arm Knuckle and Arm Adapter mechanisms. Replacing worn washers is a key step in restoring precise articulation and structural stability to your dental light’s arm assembly.
What are the exact dimensions of this washer?
The washer is manufactured to precise engineering standards:
- Inner Diameter (ID): 9/16 inch
- Outer Diameter (OD): 1 inch
- Thickness: 0.020 inch
How many washers come in one package?
Each order includes a convenient pack of 12 washers. This quantity is ideal for routine maintenance, stocking service kits, or performing repairs on multiple units.
Which dental exam lights is this part designed for?
This knuckle washer is specifically engineered for use with Pelton & Crane LF I & LF+ Series Dental Exam Lights. It is intended to function seamlessly within the arm knuckle and adapter assemblies of these specific models.
Is this a brand-new component?
Yes, all RPI PCW665 units are supplied in Factory New condition. You can be assured of receiving a pristine component that provides its full operational life.
Is this washer suitable for regular maintenance kits?
Yes, the bulk packaging of 12 units per package makes these washers a perfect addition to any professional service kit, allowing technicians to have the necessary components on hand for regular maintenance and repair tasks.
What is the primary function of this component?
This component acts as a critical interface within the light arm mechanism. It provides structural support and helps maintain the correct friction levels needed for the arm knuckle and adapter to move and stay positioned as intended.
Should I replace these during routine equipment servicing?
Yes, because these washers are essential for the smooth operation and stability of your dental light arm, they are a vital check during routine maintenance. Replacing them ensures the light arm maintains its intended range of motion and reliability.

RPI PCW665 Knuckle Washer