5Z3 Raytheon hanging filament audio radio amplifier vacuum tubes valves ST 5Z3G
Bottom side rectangular getter, mica snubbers, tube tests: 84, 92 %. tube has black ribbed plates, clear top, printed base.
(12) NOS to Strong Testing RCA & Other 5Z3/VT-145 Radio Audio Tubes
(12) NOS to Strong Testing Some l with Hanging Filaments 5Z3/VT-145 Ham Radio Audio Tubes, Good Luck Bidding ! (((((I do not lower declared value or write as gift due to US Laws))))) I no longer ship to China & Vietnam due to lost packages in Custom’s