The 10-11-2023 is a 2-way 1-row KK? 254 high pressure female Receptacle Crimp Housing made of nylon. It mates with 42375, 42377, 42376, 4030, 6373 and 6410 KK?254 PCB headers. The crimp housing is suitable for signal and wire-to-board applications. This 5197 series crimp housing can be used with 7879 KK? high pressure crimp terminal.