The Amphenol PT series and PT-SE series connectors, conforming to MIL-DTL-26482 Series I standards, feature high-density contact arrangements within a circular shell. The PT series includes solder contacts, while the PT-SE series offers high-performance crimp contacts. These connectors provide quick-disconnect bayonet coupling for fast mating and un-mating, along with various mounting styles and shell sizes for versatile application.