4 layers

The RAPC10 is a DC Power Connector made by Switchcraft with 5 pins.
JLCPCB lists it (part C3094941). 1 open-source board in 1 repository on GitHub use it.
The library has no symbol for this part yet.
The library has no footprint for this part yet.

JLCPCB lists it as part C3094941, with 0 in stock; the sellers' links on this page open their listings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.