The Amphenol PT series and PT-SE series connectors, compliant with MIL-DTL-26482 Series I, feature high-density contact arrangements within a circular shell. The PT series offers solder contacts, while the PT-SE series provides high-performance crimp contacts, and the PT-CE series is available with commercial crimp contacts. These circular connectors utilize a quick-disconnect bayonet coupling mechanism for easy mating and unmating, with multiple mounting styles and shell sizes options.