Raytheon S290MS001P003 - 5840?

[Moby]

Hi guys, I recieved this tubes as possible 5840 "military" version  but i'm really suspicious about it. Tubes are 7 leads instead 8 , not in circle but in line. I can't find any info about it do you know something about this tubes or maybe you have data, pinout, whatever....

 

[Moby]

Hey, in case somebody need this. I  figured out the pining. And yes, indeed, it's has the same characteristics as 5840