Amphenol AIT / MS connectors are cost-effective threaded circular connectors compliant with SAE-AS50151 (MIL-DTL-5015) standards, designed for use in harsh environments. These connectors are sealed to resist moisture, condensation, vibration, and electrical flash-over. They are available in over 286 contact layouts, supporting configurations for power, signal, or mixed contacts. The connectors come in five mounting styles, nineteen shell sizes, and are available with solder or crimp terminations.