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