Amphenol AIT / MS connectors are cost-effective, threaded circular connectors conforming to SAE-AS50151 (MIL-DTL-5015) standards, designed for use in harsh environments. These connectors are sealed to withstand moisture, condensation, vibration, and electrical flash-over. They offer over 286 contact layouts, accommodating power, signal, or mixed contacts, and are available in five mounting styles, nineteen shell sizes, with options for solder or crimp termination. Suitable for durable and versatile electronic connections in demanding conditions.