Amphenol AIT / MS connectors are cost-effective, threaded circular connectors conforming to SAE-AS50151 (MIL-DTL-5015) standards, designed for use in harsh environments. These connectors are sealed to resist moisture, condensation, vibration, and flash-over. They offer over 286 contact layouts suitable for power, signal, or mixed contact types. Available in five mounting styles, nineteen shell sizes, and with solder or crimp termination options.