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 YACT24MG39JEV00100
The MIL-DTL-38999 III (D38999) Jam Nut Receptacle is a high-performance circular connector designed for harsh environments. With 39 gold-plated contacts, it offers reliable power and signal transmission, rated for 13A at 600V AC. Meeting stringent military specifications, this connector is built to withstand extreme temperatures ranging from -65°C to 200°C. Its composite shell construction, featuring Electroless Nickel plating, provides excellent durability and corrosion resistance. Engineered for M-class service, with a triple start threaded mating type, this connector ensures secure and efficient connections in demanding applications. With a female socket contact layout and 1500-cycle mating life, it guarantees long-term performance in mission-critical systems. The D38999 Jam Nut Receptacle is a versatile and dependable solution for aerospace, defense, and other high-reliability applications.