https://www.embeddedrelated.com/parts/p/DF37NC-10DS-0.4V%2851%29
DF37NC-10DS-0.4V(51) - Board to Board & Mezzanine | Hirose Connector
The DF37NC-10DS-0.4V(51) is a 10-position ultra-compact mezzanine connector featuring a 0.4mm pitch and a vertical SMT mounting orientation.
boardmezzaninehiroseconnector