The Amphenol PT series and PT-SE series connectors, conforming to MIL-DTL-26482 Series I standards, feature high-density contacts within a circular shell. The PT series provides solder contacts, while the PT-SE series offers high-performance crimp contacts. These connectors utilize a quick-disconnect bayonet coupling mechanism for fast mating and unmating, and are available in various mounting styles and shell sizes, making them versatile for different applications.