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 are equipped with quick-disconnect bayonet coupling for rapid mating and unmating, and are available in various mounting styles and shell sizes. The specific part number indicates a circular connector with high-density contacts and a high-performance crimp configuration.