The Amphenol PT series and PT-SE series connectors (MIL-DTL-26482 Series I) feature high-density contact arrangements within a circular shell. The PT series provides solder contacts, while the PT-SE series offers high-performance crimp contacts, and the PT-CE series is available with commercial crimp options. These circular connectors are designed for quick-disconnect bayonet coupling, enabling rapid mating and unmating. They are available in various mounting styles and shell sizes.