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 YACT24MJ19SDV00100
The MIL-DTL-38999 III (D38999) Jam Nut Receptacle is a high-performance circular connector designed for harsh environments, featuring a durable composite shell construction and gold-plated socket contacts. With a voltage rating of 600 VAC, 850 VDC, and 1800 Vrms, this connector ensures reliable power and signal transmission in demanding applications. Its 19 contacts, arranged in a Triple Start Threaded mating configuration, offer secure and efficient connectivity. Operating flawlessly in temperatures ranging from -65°C to 200°C (-85°F to 392°F), and with a service rating of I (500 cycles), this connector is suitable for military, aerospace, and other mission-critical systems. RoHS-compliant and featuring environmentally resistant ingress protection, the D38999 Jam Nut Receptacle guarantees long-term performance and reliability in the most challenging conditions.