Amphenol AIT / MS connectors are economical threaded circular connectors designed for harsh environments, complying with SAE-AS50151 (MIL-DTL-5015) standards. These connectors are sealed to resist moisture, condensation, vibration, and electrical flash-over. They offer over 286 contact layouts, including options for power, signal, or a combination of both, and are available in five mounting styles and nineteen shell sizes. Terminations can be either solder or crimp.