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 configurations, accommodating power, signal, or mixed contacts. The connectors come in five mounting styles, nineteen shell sizes, and offer solder or crimp termination options.