Three-Circuit MTC 5mm Receptacle Housing Assembly
The 54927-0320: This is a Molex MTC 5mm receptacle housing assembly, 3 circuits, white. It sits in the Pin Headers, Sockets & Housings category under Header Plugs & Sockets — a wire-to-wire or wire-to-board interconnect for power or signal in a compact 5mm pitch.
The 3-circuit count and 5mm pitch must match the header's pin layout for a proper fit.