Its 4.00mm pitch and 0.157" row spacing match the AMPSEAL receptacle family, and the sealable construction with a mounting flange suits locations where moisture or dust ingress is a concern.
Pinout and mating half
This header has 23 positions loaded in a 3-row layout — verify the pinout against the mating AMPSEAL receptacle (typically a 23-position female housing with the same 4.00mm pitch and keying).
