Amphenol AIT / MS connectors are cost-effective, threaded, circular connectors designed for harsh environments, conforming to SAE-AS50151 (MIL-DTL-5015) standards. These connectors provide reliable sealing against moisture, condensation, vibration, and flash-over. They are available in over 286 contact layouts, accommodating power, signal, or mixed contacts. The connectors come in five mounting styles, nineteen shell sizes, and options for solder or crimp termination, offering versatile configurations for various applications.