The Amphenol PT series and PT-SE series connectors, conforming to MIL-DTL-26482 Series I standards, feature high-density contact arrangements within a circular shell. The PT series offers solder contacts, the PT-SE series provides high-performance crimp contacts, and the PT-CE series includes a commercial crimp option. These circular connectors facilitate quick-disconnect bayonet coupling for easy mating and separation, with various mounting styles and shell sizes available.