[R-390] R390 Front Panel Information

[Lionel Sharp]

To The Group
I have a R390 with the following information on the ident plate

              RADIO RECEIVER R-390/URR
SIGNAL CORPS                             US ARMY
         SERIAL  NO 2306          ORDER NO.14214-PH-51-93
             COLLINS RADIO COMPANY
                      500KC TO 32 MHZ

Stencilled above the ID Plate is the following in white paint

MWO-11-5820-294-35/1
MWO-11-5820-294-35/2

Does anyone know if this is of any significance????

Lionel L Sharp, VK4NS