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, accommodating power, signal, or mixed contact types. Available in five mounting styles, nineteen shell sizes, and with either solder or crimp termination options, these connectors provide versatility for a wide range of applications.