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