This is part of the HARTING Technology Group, a German-based family-owned technology company that manufactures connectivity solutions for the industrial, communication and energy sectors. The part number 21349697496010 is for the HARTING Han-Snap® Threaded Housing, which provides a durable, vibration resistant, and waterproof housing for electrical and electronic connections. It is suitable for multiple types of applications, including automotive, audio/video, marine, industrial and construction.