The Amphenol PT series and PT-SE series connectors, based on 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 circular connectors utilize a quick-disconnect bayonet coupling mechanism for fast mating and unmating. They are available in various mounting styles and shell sizes, providing versatile options for different applications.