This is a new old stock Burndy PC4DD22-4G7 connector.
- Manufacturer: Burndy
- Part number: PC4DD22-4G87
- 44 Position
- Receptacle
- Length: 4.27 inches minimum and 4.28 inches max
- Heigth: 0.688 inches minimum and 0.703 inches max
- Width: 0.495 inches minimum and 0.500 inches max

located on ebay shelves/quantum