This is the pin half for any Multimate III+ receptacle housing; it inserts into the standard cavity and locks in with the series' retention clip.
Wiring and termination — what the 16-18 AWG range means on the bench
The 16-18 AWG wire range is the first fit check: this pin accepts stranded wire in that gauge band. Strip length and crimp die selection follow the TE application tooling for Multimate III+ contacts — use the correct positioner for the wire size to get full conductor grip and pull-force.