4 circuits at 5.08mm pitch — what the footprint tells you
The 1-917338-3: This is a single-row, 4-position header from TE's Dynamic D-3200 series, pitched at 0.200" (5.08mm).
Board lock and through-hole anchor
Through-hole termination with a 0.150" (3.81mm) post length — typical for a 1.6mm PCB, but check your board thickness against the post length for full solder fillet.
