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 YACT24MJ20BAV00100
The MIL-DTL-38999 III (D38999) harsh environment connectors, designated as SKU D38999/24MJ20BA, offer reliable performance in demanding applications. Featuring a jam nut receptacle design, these connectors are military-specified and rated for 43 A of current at voltages up to 300 V AC, 450 V DC, and 1000 Vrms. With 30 contacts arranged in a triple start threaded mating configuration, they ensure secure and efficient connections. Constructed with a composite shell and electroless nickel plating, they provide excellent durability and conductivity. Operating in temperatures ranging from -65 to 200 °C (-85 to 392 °F), they are suitable for a wide range of environments. RoHS compliance, along with their high reliability designation, make them ideal for use in aerospace, defense, and other high-performance applications.