2313
Leviton 2313 20 Amp 125 Volt NEMA L5-20R 2P 3W Locking Connector
The WAGO 206-1204 Variocrimp 4 works well with WAGO connectors and other brands too.
Leviton 2313 Locking Connector L5-20R
You will notice Whirlpool uses corrosion-resistant materials in their design.