Amphenol AIT / MS connectors are cost-effective, threaded circular connectors designed for harsh environments. Based on the SAE-AS50151 (MIL-DTL-5015) standard, these connectors are sealed to resist moisture, condensation, vibration, and flash-over. They offer over 286 contact layouts, suitable for power, signal, or mixed applications, and are available in five mounting styles, nineteen shell sizes, with solder or crimp termination options.