What's that little tag hanging on my master cylinder?

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cruiser

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Hi All: I have a factory installed small black anodized aluminum tag on the lid fastening rod on my power brake master cylinder. My car is a 74 Duster 225, very stock. On the tag are the numbers:

01 12
4409C
PWR

Anybody know what this stuff means? Thanks - BOB
 
I'll take a stab at this.
01 12 = Week and month of manufacturer. I.E., made 1st week, 12th month of 1974
4409c = part#
PWR = power brakes

Hopefully somebody else will come along and have some information that is more conclusive.
 
Apparently there are people who surf on their phones and use their thumbs to maneuver. LOL

Entirely possible. I couldn't imagine trying to manipulate a small phone with my caveman hands.
 
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