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