The 1445693-4 is Quadrax Pin and Socket Contacts may be applied to cable and pin pc board contacts soldered to the pc board. The contact assembly contains an outer shell, a one--piece dielectric, and four signal contacts. An inner crimp ferrule is included with the cable applied contacts. These Quadrax Contacts may also be used in other connector systems such as ARINC 600 Connectors, and MIL--DTL--38999 style connectors.