China Factory Male Female Waterproof Power 3 Pin Circular Connectors with Cable - China 3 Pin Circular Connectors, Power 3 Pin Circular Connectors | Made-in-China.com
10pcs S-video Terminal Circular Connector Mini Din 3/4/5/6/7/8 Pin Male/female With Plastic Handle Adapter Soldering Cables Diy - Connectors - AliExpress
MS Circular Connector Series, Multipin Feedthrough, 19 Pins, 1000 Volts, 3 Amps per Pin, Double-Ended w/ Air & Vacuum-side Connectors, 2.16" QF / KF Flange - 5436 - MPF
MS Circular Connector Series, Multipin Feedthrough, 32 Pins, 1000 Volts, 3 Amps per Pin, Double-Ended w/ Air & Vacuum-side Connectors, 2.16" QF / KF Flange - 5437 - MPF