20P, MM 1.27, FOB, TE, SMD, AL, VP, T&R Connector System: Board-to-Board Number of Positions: 20 Centerline (Pitch): 1.27 mm Centerline (Pitch): .05 in PCB Mount Retention: Without Board-to-Board 20 1.27 mm .05" | Female-On-Board Connector & Top Entry | Part Number: 9-338069-0 | Internal Number: 9-338069-0 | TE Connectivity | Micro-MaTch