Amphenol AIT / MS connectors are cost-effective, threaded circular connectors designed for harsh environments, complying with SAE-AS50151 (MIL-DTL-5015) standards. These connectors feature sealed construction to resist moisture, condensation, vibration, and flash-over. They offer over 286 contact layouts, suitable for power, signal, or combined purposes. Available in five mounting styles, nineteen shell sizes, and with options for solder or crimp termination, they provide versatile solutions for demanding applications.