The 22-01-2037 is a 3-way 1-row KK? 254 female Crimp Housing made of nylon with friction ramp. 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 2695 series receptacle housing can be used with 2759 and 4809 KK? crimp terminals.