The 1718573003: It mates with KK254 crimp-socket receptacles for board-to-board or cable-to-board connections. The single-wall shroud protects the pins from one side, reducing mis-mate risk without adding bulk. The UL94 V-2 nylon housing meets the flame rating needed for enclosed gear.
No single-vendor lock; the KK254 series is widely second-sourced, so cross-references to other 0.100" pitch headers are possible with a footprint check.
Board layout and mating checklist
The post length is 0.100" (2.54mm) — typical for a 1.6mm-thick PCB; verify the board thickness and solder fillet clearance. The friction lock requires the mating receptacle to have the corresponding lock ramp. Standard KK254 crimp housings (e.g., 50-57-9403 for 3 circuits) include this feature.