83-2150
Here are some suggestions:
Heat Shrinkable Pin Terminals
Heat Shrinkable Ring Terminals - Crystal Clear
Crimp Solder & Seal Ring Terminals
Metri-Pack 280 Series
Nylon Receptacle Connectors
Vinyl 4-Way "X" Connectors
Double Female Bullet Receptacles
Metri-Pack® 480 Series
Heat Shrinkable Bullet & Receptacle Connectors - Crystal Clear