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. The connectors utilize a quick-disconnect bayonet coupling mechanism for fast mating and unmating, and are available in various mounting styles and shell sizes. These connectors are suitable for applications requiring reliable electrical connections with versatile mounting options.