The Amphenol PT series and PT-SE series connectors (MIL-DTL-26482 Series I) are high-density circular connectors featuring various contact and mounting options. The PT series utilizes solder contacts, while the PT-SE series offers high-performance crimp contacts, and the PT-CE series provides a commercial crimp option. These connectors are designed with a quick-disconnect bayonet coupling mechanism for easy mating and unmating, and they are available in multiple shell sizes and mounting styles.