Amphenol AIT / MS connectors are cost-effective, threaded circular connectors based on SAE-AS50151 (MIL-DTL-5015) standards, designed for use in harsh environments. 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 offer both solder and crimp termination options.