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 YACT24MC98PBV00100
The MIL-DTL-38999 III (D38999) harsh environment connectors, designated as SKU D38999/24MC98PB, are essential components for rugged applications. This particular variant is a jam nut receptacle featuring a composite shell construction, offering a balance of durability and lightweight design. With a total of 10 gold-plated pin contacts in size 20(10), it ensures reliable conductivity in demanding conditions. Rated for a maximum operating temperature of 200°C and a voltage of 600 V AC, 850 V DC, 1800 Vrms, this connector guarantees performance in extreme environments. Its triple start threaded mating type and B keyway polarization provide secure and foolproof connections. Boasting a service rating of I and a service class of M, it is suitable for military and industrial use. The Electroless Nickel shell plating and finish coating enhance its longevity, with a contact mating life of 500 cycles. Overall, the D38999 Series III connector is a high-reliability solution, meeting stringent military specifications and offering superior performance in harsh operating conditions.