The Amphenol PT series and PT-SE series connectors, compliant with MIL-DTL-26482 Series I standards, feature high-density contact arrangements within a circular shell. The PT series provides solder contacts, the PT-SE series offers high-performance crimp contacts, and the PT-CE series includes a commercial crimp option. These circular connectors are designed for quick-disconnect bayonet coupling, allowing for rapid mating and unmating. They are available in various mounting styles and shell sizes, making them suitable for a wide range of applications.