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 PT-CE offers a commercial crimp option. These circular connectors enable quick bayonet coupling for fast mating and unmating, and they come in various mounting styles and shell sizes.