Bore Electrical Slip Ring | Electrical Slip Ring Connectors - Pcb Connector 3 6 12 - Aliexpress
LPKS025-0501 Pancake slip ring - SCN
Pancake slip rings - SCN
Pancake type slip ring - Pancake-Schleifringe / Pancake Slip Rings by B-COMMAND - B-COMMAND GmbH - for robotics / for packaging / for military applications