I found some very smart looking 8 pin aeronautic grade connectors on ebay , possibly Russian
Might as well give them a try , just a little under 6 euros a piece for 4
https://www.ebay.ie/itm/Military-Airline-Radio-Style-8-Pin-Twist-Male-Female-Cable-Connector-P32J2A/290571855732
Might as well give them a try , just a little under 6 euros a piece for 4
https://www.ebay.ie/itm/Military-Airline-Radio-Style-8-Pin-Twist-Male-Female-Cable-Connector-P32J2A/290571855732