The Amphenol PT series and PT-SE series connectors (MIL-DTL-26482 Series I) feature high-density contact arrangements within a circular shell. They include solder contacts in the PT series, high-performance crimp contacts in the PT-SE series, and a commercial crimp option in the PT-CE series. These circular connectors offer quick-disconnect bayonet coupling for fast mating and unmating, along with various mounting styles and shell sizes suitable for diverse applications.