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