The MS3474L22-55SW L/C part from TE Connectivity is a high-performance, waterproof, circular MIL-DTL-38999 Series III surface mount connector with a unique bayonet coupling system. This model is capable of carrying up to 20A in a power circuit, and also includes EMI shielding, an optional grounding contact, and a Locking Clamp (LC) backshell. It is designed to provide reliable electrical and mechanical performance in harsh environments and applications, such as aerospace, shipbuilding, military, and commercial engineering.