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