The Amphenol PT series and PT-SE series connectors, based on MIL-DTL-26482 Series I standards, feature high-density contact arrangements within a circular shell. The PT series provides solder contacts, while the PT-SE series offers high-performance crimp contacts, and the PT-CE series includes commercial crimp options. These circular connectors utilize a quick-disconnect bayonet coupling system for easy mating and un-mating. They are available in various mounting styles and shell sizes, suitable for diverse applications.