Digikey is not having  stocks of field connectors that will be used in a wide range of applications that are basically every duty and work under harsh environment.  these fields connectors are named as Molex .  these are sealed standard and custom sealed interconnect systems that are suitable for the areas that require some or the other type  the Ruggedized sealed plugs and  receptacles along with power connectors.  It also Include IP67 and IP66 ratings in it for proper specifications and functioning.