Vectron CO-204 

1- out
2- case
3- neg supply
4- pos supply
5- RF return
6- nc
7- nc
8- nc

And that "most are 24 volts"

Don't know how accurate this is but the wiring seems to agree with the attached sockets on mine (1 has thin wire, 3&4 have thicker wire, 3 is wht/blk and 4 is wht/red).

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1-nc
2-case
3-ground
4-+24 volts dc in
5-nc
6-nc
7-20K 10-turn pot top end
8-pot wiper

gnd bottom end of pot

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From VECTRON 229 osc with 7 pin Kovar feed through in circle similar to a
tube base:
1 B+ (Oven)
2 N/C
3 N/C
4 B+ (Osc)
5 VCXO Supply
6 VCXO Input
7 return (Case)

73 M0YCM K1YCM

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