The 6587-50 is a hydrogen thyratron. This tube came with an incapsulated bank of resistors. One of the few tubes with a jumbo 7 pin base like the 813. The red protector is rubber.
Length = 7.25" Diameter = 2.37"
Max voltage = 16000
Max current = 325 amps peak, 225 ma average
Fil voltage = 6.3
Fil current = 11.6 amps GOTO INDEX