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, suitable for various applications. These circular connectors are designed with a quick-disconnect bayonet coupling mechanism for fast mating and unmating, and they come in multiple mounting styles and shell sizes for versatile use.