The Amphenol PT series and PT-SE series connectors, conforming to 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 is available with commercial crimp options. These circular connectors facilitate quick-disconnect bayonet coupling for fast mating and unmating, and are available in various mounting styles and shell sizes.