The MS3474L22-55SZ L/C is a component from TE Connectivity's MIL-DTL-38999 Series III product line. It is a Plug, Crimp Style, 42 Positions, Mixed Signal, Class C, Shell Size 22, Single Keyway, Plastic. This component has a 38999 quick disconnect design for quick installation and removal of common applications. It has a higher cycle-life rating, is vibration resistant, and can handle greater shock and higher temperatures. It is constructed with full-contact pins to ensure highest signal integrity and minimal contact resistance. This component is suitable for use in harsh environments.