The Amphenol PT series and PT-SE series connectors (MIL-DTL-26482 Series I) are high-density circular connectors featuring a robust shell design. The PT series includes solder contacts, while the PT-SE series offers high-performance crimp contacts, and the PT-CE series provides commercial crimp options. These connectors support quick-disconnect bayonet coupling for easy mating and unmating, with various mounting styles and shell sizes available, making them suitable for a range of industrial and military applications.