Small size drone slip rings/uav slip rings has outer diameter 5.5mm & 6.5mm optional Manufacturers China - Customized Products Wholesale - CENO Electronics
Miniature slip rings - - SCN
MM Series Miniature Slip Ring - Slipring Elektrik A.S.
12 Channel 2A Capsule Slip Ring - ZER-X1A | Slipring Elektrik A.S.
Compact Slip Ring Capsules
Taidacent Small Slip Ring Conductive Ring Miniature Rotating Conductive Slip Ring 2 4 6 8 10 12 24 Road Cap Slip Ring (36 Wire 2A OD 22mm Plastic) - Amazon.com
Small Slip Rings | Compact Slip Ring - MMC119 series - MOFLON
Capsule slip ring,Mini slip ring with flange - Senring
Miniature Slip Ring - 12mm diameter, 6 wires, max 240V @ 2A : ID 775 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
Feature Article: Small Slip Rings are a Big Deal
SENRING Mini Slip Ring Electric Signal Transmission Rotary Joint OD 12.5mm 18 Wires 1.5Amp 150RPM 240VDC/VAC for monitor Robotic (18 Wire 1.5A) - Amazon.com
Miniature Slip Rings, Small Capsule Slip Ring Design - Grand
Senring Mini Capsule Slip Ring Snm012 6 Wires/12 Wires/18 Wires Slip Rings 2a Signal - Smart Remote Control - AliExpress
8 Circuits Small Size Separate Slip Ring Conductor Minimal Interference For Small Space Easy Installation - AliExpress