Its 0.156" (3.96mm) pitch matches the standard KK396 pin header footprint — the spacing gives enough room for 18-24 AWG crimp terminals without crowding the wire bundle. The natural polyester, glass-filled housing carries no contacts; those are ordered separately as crimp terminals, which lets you stock one housing part and load the terminal finish (tin vs. gold) that matches your current and cycle-life requirements.
What mates with this housing
This receptacle mates with the KK396 vertical or right-angle pin headers at the same 0.156" pitch. The crimp terminals that load into this housing are the KK396 series female crimp terminals — tin-plated for standard duty, gold-plated where higher mating-cycle counts matter.