84-2150
Here are some suggestions:
Nylon Butt Connectors
Vinyl 4-Way "X" Connectors
Vinyl Pin Terminal Connectors
Weather Pack Cable Seals
Deutsch - DT Series Terminals
Deutsch - DT Series Housing & Wedgelocks
Heat Shrinkable Butt Connectors - Polyolefin
Vinyl Butt Connectors
Nylon Male Bullet Connectors