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