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 YACT24MG41HAV00100
The D38999 Series III Composite Connectors, specifically the D38999/24MG41HA model, offer high-performance connectivity for harsh environments. Featuring a Jam Nut Receptacle design, they are MIL-DTL-38999 III compliant and rated for 7.5 A of current at voltages up to 600 V AC, 850 V DC, and 1800 Vrms. With 41 gold-plated contacts arranged in a Triple Start Threaded mating configuration, these connectors ensure secure and reliable connections. Operating in temperatures ranging from -65 to 200 °C (-85 to 392 °F), they are suitable for a wide range of applications. The composite shell construction with Electroless Nickel plating provides excellent durability and environmental resistance, making them ideal for military, aerospace, and other high-reliability applications.