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(1) Tested National Union 5U4G Tube Date Code 5439 5U4 G Shouldered Rectifier

(1) Tested National Union 5U4G Tube Date Code 5439 5U4 G Shouldered Rectifier

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$34.95 USD
$34.95 USD
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(1) Tested National Union 5U4G Tube.
Date Code 5439.

The tube number is faded and worn away from the glass.

Tested on a calibrated Hickok TV-10 military tube tester with no shorts at 1450-1400 where 800-800 is minimum pass/good.

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