Pin geometry and plating
The 75481-052 is a non-insulated single post from the Bergpin® series, with a 0.025" (0.64mm) square pin above and below the flange and a 0.405" (10.29mm) overall length.
Board fit and sourcing
Through-hole solder termination accepts board thickness from 0.062" to 0.125" (1.57mm to 3.18mm) and a mounting hole diameter of 0.034" to 0.036" (0.86mm to 0.91mm).