The Amphenol PT series and PT-SE series are high-density circular connectors compliant with MIL-DTL-26482 Series I. They feature a quick-disconnect bayonet coupling mechanism for fast mating and unmating. 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 connectors are available in various mounting styles and shell sizes, making them suitable for a range of applications requiring reliable and efficient connections.