Sylvania Black Plate 5U4 5U4G Hanging Filament Vacuum Tube Rectifier Shoulder ST Shape 6MV8 Nonal T24 It measured 57/59 where minimum

It measured 57/59 where minimum (65%) is 40/40 and 100% is 62/62

excellent flashing and three horizontal holes underneath and parallel to the plates' short axes

new in box Raytheon 6AL11 tube tested to spec on our Paul Hart-calibrated TV7/U

This lot of three RCA number 19 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

Sylvania Black Plate 5U4 5U4G Hanging Filament Vacuum Tube Rectifier Shoulder ST Shape 6MV8 Nonal T24 It measured 57/59 where minimumThis Sylvania MANUFACTURED, Admiral BRANDED hanging filament 5U4G rectifier tube tested 54 in Section One and 56 in Section Two on our Paul Hart calibrated TV7 U where minimum (65%) is 40 40 and 100% is 62 62. It has a 312 813 provenance date code; underwhelming flashing; a bottom D or perhaps U getter and wire snubbers. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO"