6AS6

Equivalent 6AS6W, 6F33, 409A, 6R-R8, 5725, 6187, VX6025,  VX6097
Similar type  
With different Vf  
CV number CV329, CV2522, CV2884, CV4011, CV4098, CV8054, CV8209, CV8226, CV8310
CV2209 = 6F33spec
Swedish Mil.nr. M2462-410
M2462-448, M2462-457
M2462-517C
Tektronix part no 154-0019-00