TE Connectivity 350780-1 Universal MATE-N-LOK Connector Housing Ny...

Universal Mate-N-Lok 6.35mm Adaptor Connectors for Crimp Contacts - TE Connectivity 350780-1, Highly reliable, multi-pin MATE-N-LOK crimp connector with 4 pins, 27.4 x 26.7mm, for use with internal and external wiring. TE Connectivity 350780-1 Universal MATE-N-LOK Connector Housing Nylon 4 Pole

Price: 0.54 from Rapid Online Rapid Electronics Ltd.