Power socket contact, 18-20 AWG
The 1924879-1: Crimp termination secures the wire; the contact ships in bulk packaging and is rated for power applications.
Peer comparison: wire gauge range
The 1924879-1 accepts 18-20 AWG wire, while the 3-647485-1 accepts 16 AWG and the 1326032-1 accepts 22 AWG — each serves a different wire size range within the same power socket contact category. All three are tin-plated and active-production; the 1924879-1 sits between the heavier 16 AWG and lighter 22 AWG options.