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