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. They offer over 286 contact layouts, accommodating power, signal, or mixed contacts. Available in five mounting styles, nineteen shell sizes, and with solder or crimp termination options.