643813-5 - 

TE Connectivity MTA-100 IDC Closed End Receptacle Connectors
MTA-100 IDC Closed End Connectors with a 2.54mm centerline pre-loaded with IDC contacts. These MTA-100 IDC Closed End Connectors are end to end stackable and have molded ribs on the housings to prevent reverse mating. MTA-100 IDC Closed End Connectors with part numbers X-643813-X, X-643814-X, X-643815-X, X-643816-X, X-644042-X, X-644044-X and X-644083-X have polarizing tabs. MTA-100 IDC Closed End Connectors with part numbers X-641534-X, X-641535-X and X-641536-X are LED connectors designed to mate with the 0.36-0.51 mm [.014-.020 inch] diameter posts or square leads.