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 YACT24MG39PEV00100
The D38999/24MG39PE is a rugged MIL-DTL-38999 III (D38999) jam nut receptacle, designed for harsh environment applications. Featuring a composite shell construction with electroless nickel plating, this connector offers excellent durability and corrosion resistance. With 39 gold-plated contacts (20 signal, 16 power, 2 ground), it ensures reliable electrical performance in demanding conditions. Rated for operating temperatures ranging from -65 to 200°C, and voltages up to 1800 Vrms, it is suitable for a wide range of high-reliability military and aerospace systems. This RoHS non-compliant connector, also known by the part alias YACT24MG39PEV00100, is a key component in ensuring secure and robust connectivity in mission-critical applications.