Amphenol AIT / MS connectors are cost-effective threaded circular connectors designed according to SAE-AS50151 (MIL-DTL-5015) standards, suitable for harsh environments. These connectors feature sealed construction to resist moisture, condensation, vibration, and flash-over. They are available in over 286 contact layouts, accommodating power, signal, or mixed contacts. The connectors come in five mounting styles, nineteen shell sizes, and offer solder or crimp termination options.