Amphenol AIT / MS connectors are cost-effective, threaded circular connectors designed for harsh environments. Built to MIL-DTL-5015 standards, they are sealed to resist moisture, condensation, vibration, and electrical flash-over. These connectors come in over 286 contact configurations, allowing options for power, signal, or combined contacts. They are available in five mounting styles, nineteen shell sizes, and offer solder or crimp termination options.