GX12-2 2 Pin Plug and Socket Panel Connector.

Contacts Pin Number 2

Contacts Pin Diameter 1.5mm/0.06"
Rated Voltage AC 125V
Rated Current 5A
Operating Voltage AC 200V
Withstand Voltage AC 1500V 
Insulator Resistance 1000 Ohm
Tube Hole Diameter 4mm-6mm
Thread Dia 12mm/0.5"