DESCRIPTION

D38999/26FG35SA is a MIL-DTL-38999 Series III subminiature connector designed for rugged, harsh environment applications in aerospace, defense, and marine industries. The connector features a threaded 360° turn coupling mechanism with environmentally sealed construction, scoop-proof design, and optional hermetic and filter versions with spring fingers for EMI control. It supports multiple shell materials including stainless steel, aluminum, and composite, with shell sizes ranging from 9 to 25 and up to 187 maximum signal contacts using AS39029 contact types available in crimp, solder cup/eyelet, and PCB tail styles. Operating temperature range extends from -65°C to +200°C depending on shell finish, with a standard durability rating of 500 mating cycles and higher durability versions available. The connector is available in multiple configurations including straight plugs with EMI spring fingers and lanyard release, as well as receptacles with box mounting, wall mounting, jam nut, solder mount, weld mount, and through-hole bulkhead options, making it ideal for mission-critical applications requiring reliable electrical connections in demanding environments.