The Amphenol PT series and PT-SE series connectors classified under MIL-DTL-26482 Series I feature high-density contact arrangements within 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 are designed with quick-disconnect bayonet couplings for fast mating and unmating, and they come in various mounting styles and shell sizes.