The Curtiss Wright Controls BOX EXT.TRAINIGN DEV.IONTERFACE BOX P/N 12986235 CWC342 appears to be a training interface box made by Curtiss Wright Controls. Here's a breakdown of the information available:

• Manufacturer: Curtiss Wright Controls
• Part Number: 12986235
• Model Code: CWC342
• Product Name:
  • BOX EXT.TRAINIGN DEV.IONTERFACE BOX - This suggests it's an external training and development interface box.