Special Order: IMP100S,H,V5P16C,UG,DEW39,4.5 Number of Positions: 240 Row-to-Row Spacing: 1.35 mm Row-to-Row Spacing: .053 in Mating Alignment: With Mating Alignment Type: Polarization High Speed Backplane Connector | 240 1.35 mm .053" With | Part Number: 2007870-1 | Internal Number: 2007870-1 | TE Connectivity