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