The Amphenol PT series and PT-SE series connectors, compliant with MIL-DTL-26482 Series I standards, feature high-density circular shell designs. The PT series provides solder contacts, while the PT-SE series offers high-performance crimp contacts, and the PT-CE series includes a commercial crimp option. These circular connectors facilitate quick-disconnect bayonet coupling for rapid mating and un-mating, with various mounting styles and shell sizes available.