HP197L050S1 (item number 1015509) is a receptacle for the compatible Pogo Connector and defines its installed position in the test fixture. As a Receptacle, HP197L050S1 guides and positions the matching Contact Probe; depending on the design, the Receptacle can also provide electrical connection or insulation and supports controlled probe replacement during maintenance. When selecting HP197L050S1, the matching probe family, installation dimensions and any required connection or insulation design should be considered together.