Amp - Te Connectivity 5-146274-2.
BOARD-BOARD CONNECTOR, HEADER, 1 POSITIO; BOARD-BOARD CONNECTOR, HEADER, 1 POSITION, 1ROW; Connector Systems:Board-to-Board; Pitch Spacing:2.54mm; No. of Rows:1Rows; No. of Contacts:2Contacts; Contact Termination Type:Through Hole Straight; Connector Shroud:Unshrouded