The Amphenol PT series and PT-SE series connectors conform to MIL-DTL-26482 Series I standards, offering high-density contact arrangements within a circular shell. The PT series features solder contacts, while the PT-SE series provides high-performance crimp contacts, and the PT-CE series offers commercial crimp options. These circular connectors enable quick-disconnect bayonet coupling for fast mating and unmating, and they are available in various mounting styles and shell sizes.