A range of TE Connectivity AMPModU Short Point Crimp Snap-In Wire-Applied Receptacle Housings which are end-to-end and side-to-side stackable. The material for these AMPModU Short Point Crimp Snap-In Wire-Applied Receptacle Housings is flame retardant UL 94V-0 rated.
For Short Point Contacts see stock number 452-600 typical which mate with 4.29 mm (.169 inch) to 6.58 mm (.259 inch) long by 0.64 mm (.025 inch) square posts.

2.54mm TE Connectivity AMPMODU Short Point Range