50 RCPT SP/MS STD Connector & Housing Type: Receptacle Connector System: Board-to-Board Number of Positions: 50 Centerline (Pitch): 2.77 mm Centerline (Pitch): .109 in Receptacle Board-to-Board 50 2.77 mm | D-Sub Receptacle Assembly: Vertical & Shell Size 5 & 2.77Mm | Part Number: 5745191-7 | Internal Number: 5745191-7 | TE Connectivity