Details
New old stock octal voltage regulator. Regulates to 105 volts. Identical to 0C3, except for a smaller T-9 bulb size. Various brands.
NSN/FSN = 5960007980087, 5960003390749, 5960005380812, 5960005781611, 5960001005106, 5960008456447, 5960007269801
Signal Corps Number = VT-200
Tektronix Number = 154-0002-00