Amphenol AIT / MS connectors are cost-effective threaded circular connectors conforming to SAE-AS50151 (MIL-DTL-5015) standards. Designed for harsh environments, these connectors are sealed to resist moisture, condensation, vibration, and flash-over. Available in over 286 contact layouts, they can accommodate power, signal, or mixed contacts. They come in five mounting styles, nineteen shell sizes, and offer solder or crimp termination options.