The RNF-3000-18/6-9-STK is a connector system made by TE Connectivity. It is a type of electronic part consisting of a heat shrink tubing and sleeve that is constructed to secure cable, wire, and other small parts where they are needed while still providing a secure seal. The heat-shrink tubing and sleeve are designed to shrink to fit specific dimensions when heated with shrink tubing, allowing for a water-tight, strain relieving seal. The RNF-3000-18/6-9-STK also offers an easy installation and removal thanks to its push-pull handle that allows for secure locking and unlocking. This part can be used in a variety of applications and includes a temperature rating of up to 135°C.