The Amphenol PT series and PT-SE series connectors (MIL-DTL-26482 Series I) feature high-density contact arrangements in a circular shell. The PT series offers solder contacts, while the PT-SE provides high-performance crimp contacts, and the PT-CE is available with a commercial crimp option. These connectors utilize a quick-disconnect bayonet coupling mechanism for fast mating and unmating. They are available in various mounting styles and shell sizes to suit different applications.