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 YACT24MG41JBV00100
The MIL-DTL-38999 III (D38999) Jam Nut Receptacle is a high-performance circular connector designed for harsh environments. Featuring a rugged composite shell with electroless nickel plating, this connector offers exceptional durability and corrosion resistance. With 41 gold-plated socket contacts in a Triple Start Threaded mating configuration, it ensures reliable and secure connections in demanding applications. Rated for up to 600V AC/850V DC, and operating temperatures ranging from -65°C to 200°C (-85°F to 392°F), this connector is suitable for a wide range of military and aerospace systems. Its 1500-cycle contact mating life and M service class designation guarantee long-term performance in mission-critical environments. RoHS-compliant and hi-rel certified, the D3899924MG41JB is a trusted choice for high-reliability applications.