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 offers solder contacts, while the PT-SE series provides high-performance crimp contacts. These circular connectors enable quick and secure bayonet coupling for easy mating and disconnection. They are available in various mounting styles and shell sizes, suitable for a range of applications.