The 350827-1: This is a 6-position, 3-row through-hole header from the Universal MATE-N-LOK series. In a panel or chassis with vibration, the ramp holds the pair mated without back-out.
If the application calls for frequent field reconnects, consider a gold-plated alternative in the same series. The solder posts are 0.155" (3.94mm) long, tin-plated phosphor bronze.
RoHS compliant, UL94 V-0 rated nylon housing. The natural insulation colour makes visual inspection of seating and latch engagement straightforward on the line.