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