The Amphenol PT series and PT-SE series connectors, compliant with MIL-DTL-26482 Series I, feature high-density circular contact arrangements. The PT series provides solder contacts, while the PT-SE series offers high-performance crimp contacts, and the PT-CE series features commercial crimp options. These circular connectors facilitate quick-disconnect bayonet coupling for easy mating and unfastening, with various mounting styles and shell sizes available.