Amphenol AIT / MS connectors are cost-effective, threaded circular connectors compliant with SAE-AS50151 (MIL-DTL-5015) standards, designed for use in harsh environments. These connectors are sealed to withstand moisture, condensation, vibration, and flash-over, ensuring reliable performance. They offer over 286 contact layouts, supporting power, signal, or mixed contact configurations. The connectors are available in five mounting styles, nineteen shell sizes, and can be terminated via solder or crimp methods, making them versatile for various applications.