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