The Amphenol PT series and PT-SE series connectors (MIL-DTL-26482 Series I) feature high-density contact arrangements within a circular shell. The PT series includes solder contacts, PT-SE offers high-performance crimp contacts, and PT-CE provides a commercial crimp option. These circular connectors utilize quick-disconnect bayonet coupling for fast mating and unmating, and are available in various mounting styles and shell sizes.