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 electrical flash-over. They offer over 286 contact layouts, accommodating power, signal, or mixed contact types. Available in five mounting styles, nineteen shell sizes, and with solder or crimp termination options, they provide versatile solutions for demanding applications.