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