[Elecraft] [OT] Who knows anything about the 4635 tube

[dj7mgq at muenchen-mail.de]

I'm looking for information about the following coaxial-metal-ceramic tube:


4635 / NSN 5960-00-195-4554

Dimensions: 160mm x 165mm x 160mm
Weight: 9 kg


Google didn't help - amazing as that sounds. Does anyone know this tube?


Tnx es Happy New Year es vy 73 de toby


PS: There is at least one of these for sale at <http://www.helmut-singer.de/>