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 YACT24MB99JAV00100
The D38999/24MB99JA is a MIL-DTL-38999 III (D38999) jam nut receptacle, designed for harsh environment applications. With a rugged construction and featuring a composite shell, this connector offers durability in extreme conditions. It is rated for a maximum operating temperature of 200 °C and a voltage of 600 V AC, 850 V DC, 1800 Vrms, making it suitable for high-performance systems. With 7 gold-plated socket contacts in a triple start threaded mating configuration, it ensures secure and reliable connections. The Electroless Nickel shell plating provides added protection, while its 1500-cycle contact mating life guarantees long-term performance. Suitable for military and aerospace use, this connector is RoHS-compliant and offers high-reliability service in demanding environments.