Special Order: 050 UNIV HDR RA 4S 15DP STD L1 Connector System: Board-to-Board Number of Positions: 50 Centerline (Pitch): 2.54 mm Centerline (Pitch): .1 in PCB Mount Retention: Without Board-to-Board 50 2.54 mm .1" | Amp-Latch Universal Header | Part Number: 1-499786-0 | Internal Number: 1-499786-0 | TE Connectivity