M83723/71W24616 is a wall-mounting receptacle connector conforming to MIL-DTL-83723 Series III Matrix specifications with bayonet coupling and socket contact configuration. The connector features a square flange design for panel mounting with a 3-point bayonet coupling system providing quick positive coupling and visual confirmation of complete mating. It incorporates a five-key/keyway design to eliminate mismating and is available in shell sizes 8 through 24, with aluminum shell construction featuring black anodized finish and fluid-resistant properties per Class A specifications. The connector is intermateable with most MIL-DTL-26500 bayonet coupling connectors and supports multiple insert arrangements with various contact sizes (12, 16, and 20) and service ratings. This connector is widely used in aircraft panel mount, box mount, and line-to-line applications requiring environmentally resistant, reliable circular connector solutions.