The 5747840-4 is a 9-way 2-row Right Angle PCB D-sub Plug with gold-plated brass contacts, a tin over nickel plated copper alloy boardlock and 4-40 UNC threaded inserts. This Amplimite HD20 series socket comes with tin-plated carbon steel shell, black nylon, polyester housing and grounding straps. UL94V-0 Flammability rating Number of Positions: 9 Position Contact Gender: Pin (Male) Termination Style: Through Hole Number of Rows: 2 Row Shell Size: 1 (E) Contact Plating: Gold Gender: Male Type: Plug Shell Material: Steel Shell Plating: Tin Applications Industrial