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RCA JAN 5U4GB Vintage 1972 Date Code Rectifier Tube NOS in Box Tested / Guaranteed

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MPN:
5U4GB
Condition:
New
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  • Vintage NOS RCA JAN 5U4GB military rectifier tubes, date code A4/72 (1972), in original boxes. Authentic drop-in for Collins 516F-2 low voltage B+ section. Rugged USA-made full-wave rectifiers ideal for vintage ham radio restoration, Collins S-Line, and tube audio equipment.
  • Vintage NOS RCA JAN 5U4GB military rectifier tubes, date code A4/72 (1972), in original boxes. Authentic drop-in for Collins 516F-2 low voltage B+ section. Rugged USA-made full-wave rectifiers ideal for vintage ham radio restoration, Collins S-Line, and tube audio equipment.
$21.99
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RCA JAN 5U4GB Vintage 1972 Date Code Rectifier Tube NOS in Box Tested / Guaranteed

  This Tube and all others I sell, have been tested on a B&K Dyna-Quik Model 700 Dynamic Mutual Conductance Tube Tester and tests at or close to a NOS full Emission /Tube.

 
OS RCA JAN 5U4GB Rectifier Tubes – Date Code A4/72, Original BoxesPristine New Old Stock RCA JAN military-spec 5U4GB full-wave rectifier tubes manufactured in 1972 (A4/72 date code). They come in their original RCA boxes and are excellent, period-correct replacements for the low-voltage B+ section in the Collins 516F-2 power supply.Highlights:
  • JAN (Joint Army-Navy) ruggedized construction – black plates, built for reliability in demanding applications.
  • Preferred by Collins enthusiasts and purists for authentic performance, natural sag, and longevity over modern tubes or solid-state swaps.
  • Late-era USA-made RCA quality with crisp markings and strong cosmetics.
Perfect for restoring or maintaining your Collins 516F-2, other vintage ham gear, or tube amplifiers. Photos of date codes, JAN markings, and boxes available
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