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 YACT24MJ43PEV00100
The D38999 Series III Jam Nut Receptacle is a rugged and reliable circular connector designed for harsh environments. With a MIL-DTL-38999 III military specification, this connector offers high performance in extreme conditions. Featuring 43 gold-plated contacts, it ensures excellent conductivity and signal integrity. The composite shell construction, with Electroless Nickel plating, provides durability and corrosion resistance. Rated for operating temperatures ranging from -65 to 200 °C, and with a voltage rating of 600 V AC, 850 V DC, and 1800 Vrms, this connector is suitable for a wide range of applications. Its jam nut mounting style and triple start threaded mating type make it easy to install and secure in place. With a service rating of I and a service class of M, this connector meets stringent quality standards for high-reliability applications. The D38999 Series III Jam Nut Receptacle is ideal for military, aerospace, and other demanding industrial environments.