540-AG11D-LF=500 DIP,PCB,AU/SN Contact Fabrication: Screw Machine Number of Positions: 40 Connector Profile: Standard Row-to-Row Spacing: .6 in Row-to-Row Spacing: 15.24 mm Screw Machine 40 Standard .6" | Part Number: 3-1571550-2 | Internal Number: 3-1571550-2 | Alias Number: 540-AG11D-LF | TE Connectivity