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ID = 60140
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Eimac (brand name) 
Tube type:  Transmitting Tetrode, air cooled   VHF 
Identical to 6775 = 4-400C = PL-6775
Similar Tubes
Normally replaceable-slightly different:
  4-400A ; 4-400B ; 8438

Base Giant 5 pin (ESEC B5F) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 5 Volts / If 14.5 Ampere / Direct

6775 is the JEDEC registration code for 4-400C, a ruggedized long-life version of 4-400A/8438, with smaller plate structure, lower filament temperature and one-piece plate cap.

Dimensions (WHD)
incl. pins / tip
84 x 145 x mm / 3.31 x 5.71 x inch
Weight 236 g / 8.32 oz
Information source Tube Lore (II)   p. 110
Tube Lore (I)   
- - Manufacturers Literature
6775: Fin Stewart
Fin Stewart


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