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 YACT24MG35JNV00100
The D38999 Series III Jam Nut Receptacle is a high-performance connector designed for harsh environments, meeting MIL-DTL-38999 III military specifications. Featuring 79 gold-plated socket contacts in a size 22D(79) arrangement, this connector offers reliable power and signal transmission with a current rating of 5A and a voltage resistance of up to 1300 Vrms. Its composite shell construction, with Electroless Nickel plating, ensures durability in extreme temperatures ranging from -65 to 200 °C. Engineered for secure and efficient triple-start threaded mating, this connector guarantees 1500 cycles of reliable performance, making it ideal for aerospace, defense, and industrial applications.