The Amphenol PT series and PT-SE series connectors (MIL-DTL-26482 Series I) feature high-density circular shell designs. 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 support quick-disconnect bayonet coupling for fast mating and un-mating, with multiple mounting styles and shell sizes available.