322 Series (.156" (3.96mm) contact spacing) Card Edge Connector with 22 90 Deg' Tail Bend (Contact Code 545 bent from 'top side' of insulator down with .260" (6.60mm) standoff) in a Single Row formation, reading one side of the daughter board. The Insulator is Polycarbonate, Grey in color with #4-40 Unified Threaded Inserts.
