Special Purpose

Designed for use in the audio-frequency power-output stage of radio receivers. 
New old stock * No longer available for export.
MFR: Raytheon, GE
SKU: 50C5

5842WA Tube, High Mu Triode, MFR: Raytheon, NSN: 5960-00-879-4644, DLA 900-82-C-1558

QKK753 Raytheon Electron Tube  MFR: Raytheon NOS (New Old Stock/Original box)

5842WA Tube, High Mu Triode, MFR: Raytheon, Matched Pair of Tubes

NSN: 5960-00-879-4644, DLA 900-82-C-1558, MADE IN USA

Vintage Black Plate Electron Tube

Fully interchangeable with a 12AX7 tube.

MFR: Raytheon Company, USA
New Old Stock / New In Box * No longer available for export
SKU: 5751-CK-RAY

New Old Stock * New In the Box * No longer available for export
MFR: Raytheon, USA * MFD: Made in USA
SKU: 6KG6-RAY

New Old Stock * New In the Box * No longer available for export
MFR: Raytheon, USA * MFD: Made in Japan
SKU: 6KG6-RAY-JP

Designed for use in television or other high-frequency amplifiers where the low impedance circuits required result in low gain which may be partially compensated for by use of a high transconductance tube.
MFR: Raytheon
SKU: 7G7
New old stock * No longer available for export.

Acorn type detector, amplifier, and oscillator tube
New old stock * No longer available for export.
MFR: Raytheon
SKU: 957