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