4P, MM 1.27, FOB, TE, TH, AL, KK, RL Connector System: Board-to-Board Number of Positions: 4 Centerline (Pitch): 1.27 mm Centerline (Pitch): .05 in PCB Mount Retention: With Board-to-Board 4 1.27 mm .05" | Female-On-Board Connector & Top Entry | Part Number: 338068-4 | Internal Number: 338068-4 | TE Connectivity | Micro-MaTch