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