5889=ME1403 Flat Press Electrometer Pentode (10 in stock)
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5889=ME1403 Flat Press Electrometer Pentode (10 in stock)

USD 49.99
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5889allFlat Press ElectrometerRaytheon
Tube World Express
Tube World Express Verified independent store
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CK-5889 Raytheon NOS = ME1403 Flat Press Electrometer Pentode 10 in stock (5889=T3 Subminiature)(5889=5886 w/grid lead at top, filament reduced to 7.5ma (very low)

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