The Amphenol PT series and PT-SE series connectors, based on MIL-DTL-26482 Series I standards, feature high-density contact arrangements within a circular shell. The PT series connectors offer solder contacts, while the PT-SE series provides high-performance crimp contacts, and the PT-CE series includes commercial crimp options. These circular connectors are designed for quick-disconnect bayonet coupling for rapid mating and disconnection, with various mounting styles and shell sizes available.