HIF3B Series 2.54mm Pitch Cable Mount IDC Connector, Socket, 16 Way, 2 Row

Hirose 2.54mm HIF3B Series MIL Standard IDC Ribbon Cable Socket Connectors

HIF3B series 2.54mm IDC ribbon cable socket connectors made from black UL94V-0 PBT with a double row contact alignment. These HIF3B series IDC ribbon cable sockets are MIL standard compliant with polarizing guides, strain relief and accept UL2651 AWG 28 flat cable.
others have polarizing guides on both right and left sides.