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 YACT24JG39SEV00100
The D38999 Series III Jam Nut Receptacle, featuring a robust composite shell with Cadmium Olive Drab plating, is a high-reliability connector designed for harsh environments. With 39 gold-plated contacts (20 size 16 and 19 size 20), it offers excellent conductivity and a voltage rating of 600V AC. This female socket connector, meeting MIL-DTL-38999 III military specifications, is suitable for aerospace and defense applications. Its triple start threaded mating type ensures secure connections, while the wide operating temperature range of -65 to 200°C (-85 to 392°F) guarantees performance in extreme conditions. Trusted for its durability and performance, this connector, also known by the part alias YACT24JG39SEV00100, is a key component in mission-critical systems.