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