HVF4DS-20 (item number 1015636) is a receptacle for the compatible Push Back Probe and defines its installed position in the test fixture. As a Receptacle, HVF4DS-20 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. Installation dimensions include outside diameter 3.6 mm, length 2 mm. When selecting HVF4DS-20, the matching probe family, installation dimensions and any required connection or insulation design should be considered together.