The 1MS1T1B5M1QE is a type of connector developed by Ninigi, a Japanese manufacturer of connectors used in the automotive and industrial industries. It is a one-piece, soldered, male to male waterproof electrical connector with four pins and a sealed locking system. The 1MS1T1B5M1QE provides superior performance and reliability. It features anti-vibration and anti-corrosion construction, IP67 ratings, and is suitable for various operating temperatures. It is ideal for a variety of industrial applications, such as automotive, electronic, communication, and medical.