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 commercial crimp options in the PT-CE series. They are designed for quick-disconnect bayonet coupling for fast mating and unmating, offering various mounting styles and shell sizes.