These Preci-dip DIL 813-S1 Series low resistance modular connectors have spring-loaded contacts (SLC) with through hole mounting into the PCB.
The Height dimension gives the initial height of the spring-loaded contacts
The plastic body height is 4 mm
The plunger stroke length is 1.4 mm
For counterpart SMT DIL Pad Connectors see stock number 702-0420 typical
UL 94V-0