Very interesting!
According to the FAA Civil Aircraft Register - Advisory Circular 20-6D, July 1, 1965 - NX37602 was registered to Reconstruction Finance Corp, the same agency which sold thousands of WWII surplus aircraft after the war. Registers of this vintage generally included thousands of aircraft no longer airworthy.
The type code is 447 01, a Hughes model 10, and the serial number is HK1.
Year of MFG 1947, eight P&W Wasp Major engines.
