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Old 06-25-2013, 06:12 PM   #1
Bear
 
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Default US Propeller USP3 in a circle?

I have a US Propeller inc. prop, 22008, serial # UU166 and there is also stamped on it USP3 which is in a circle. Does anyone know what that means? Thank you.
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Old 06-25-2013, 07:36 PM   #2
Dave
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No, but I recognize that design number as a commonly found drone propeller.
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Old 06-25-2013, 07:57 PM   #3
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Default USP3 in a circle?

Thanks for the information. That is helpful. I still can't find what the USP3 in a circle means. I am trying my best but having trouble doing so on the net. Thanks again.
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Old 06-26-2013, 12:32 PM   #4
MWP_Lamar
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Perhaps a quality control inspector stamp?
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Old 06-26-2013, 12:39 PM   #5
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Default USP3 in a circle?

Good idea! Thanks, I am still looking. Have a great day.
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