The Amphenol PT series and PT-SE series connectors (MIL-DTL-26482 Series I) provide high-density contact arrangements in a circular shell. Amphenol PT series connectors offer solder contacts, PT-SE offers high-performance crimp contacts, and PT-CE offers a commercial crimp option. These circular Amphenol PT series connectors provide quick-disconnect bayonet coupling for rapid mating and unmating, and several mounting styles and shell sizes.