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 YACT24MD97SAV00100
MIL-DTL-38999 III (D38999) harsh environment connectors feature wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs, available in 9 shell sizes and 54 insert arrangements with M39029 contacts. With a maximum operating temperature of 200 °C and voltage ratings up to 1800 Vrms, these connectors offer reliable performance in demanding conditions. Constructed from aluminum, stainless steel, or lightweight composite, with various plating options including olive drab cadmium and nickel, they ensure durability and corrosion resistance. This Jam Nut Receptacle, part number D38999/24MD97SA, has 12 gold-plated socket contacts (16(4) and 20(8)), a Triple Start Threaded mating type, and a composite shell with Electroless Nickel finish, suitable for M-class service. Boasting a service rating of I and environmental resistance, this connector is ideal for high-reliability applications in aerospace, defense, and industrial settings.