MIL-DTL-38999 III (D38999) harsh environment connectors consist of wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs. They are offered in 9 shell sizes and 54 insert arrangements, utilizing M39029 contacts in sizes 22D, 20, 16, 12, 10 power, and 8 twinax. 38999 Series 3 connectors are offered in a variety of shell materials, including aluminum, stainless steel, and lightweight composite. They are also available in a wide assortment of plating options, including olive drab cadmium, nickel, black zinc nickel, and passivated stainless steel. Selection includes RoHS-compliant, cadmium-free finishes, as well as Boeing BACC-approved designs.
Part Aliases: TE Connectivity | Deutsch YACT24MJ20SDV00100
The MIL-DTL-38999 III (D38999) connector series, featuring the D38999/24MJ20SD model, offers reliable connectivity in harsh environments. This specific configuration is a jam nut receptacle, designed for secure mounting. With 30 gold-plated socket contacts, it ensures efficient signal transmission with a maximum voltage rating of 450 V DC. Operating temperature ranges from -65°C to 200°C, making it suitable for extreme conditions. Its composite shell construction, plated with durable nickel, provides excellent protection against environmental factors. With a triple start threaded mating type and a service rating of N, it guarantees a robust and stable connection, ideal for military, aerospace, and other high-reliability applications.