Maybe these thenpins can still touch in backward orientation
![www.defender.com](https://www.defender.com//assets-product/main/204812.jpg)
Marinco ConnectPro Watertight Trolling Motor Locking Outlet and Plug Assembly
Applications: Protects Cable Exit from Deck or Bulkhead, Includes 3-Wire ConnectPro Receptacle and 3-Wire ConnectPro Plug, Voltage: 12, 24, 12/24, 24/36 or 36 Volts DC, Rating: 40 Amps
I'd still go with Deutsch, up to six pairs with one plug.