Amphenol AIT / MS connectors are cost-effective threaded circular connectors designed for harsh environments. They conform to SAE-AS50151 (MIL-DTL-5015) standards and are sealed to resist moisture, condensation, vibration, and flash-over. Available in over 286 contact layouts, these connectors support power, signals, or a combination of both. They come in five mounting styles, nineteen shell sizes, and can be terminated by solder or crimp methods.