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