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 YACT24MG11HAV00100
The D38999 Series III Jam Nut Receptacle, featuring a rugged composite shell with Electroless Nickel finish coating, is designed for high-reliability applications in harsh environments. With a MIL-DTL-38999 III military specification, this connector offers superior performance with 12 gold-plated contacts in a Triple Start Threaded mating configuration. Operating in temperatures ranging from -65 to 200 °C, it provides excellent conductivity and environmental resistance, making it ideal for demanding military, aerospace, and industrial systems. The 11-position, 12(11) contact size layout, along with a 600 V AC/850 V DC voltage rating and 23 A amperage, ensures reliable power and signal transmission. Trust in the DEUTSCH D38999 Series III for secure and durable circular connectivity in mission-critical applications.