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 YACT24MJ24HNV00100
The MIL-DTL-38999 III (D38999) Jam Nut Receptacle is a high-performance circular connector designed for harsh environments. Featuring a rugged composite shell construction and electroless nickel shell plating, this connector offers superior durability and corrosion resistance. With 24 gold-plated pin contacts, it ensures reliable signal transmission in demanding applications. Rated for up to 23A and 600V AC/850V DC, with a maximum operating temperature of 200°C, this connector is suitable for a wide range of military and aerospace systems. Its triple start threaded mating type and N keyway polarization provide secure and foolproof connections. Engineered for longevity, it boasts a contact mating life of 1500 cycles. RoHS-compliance and hi-rel certification make it a trusted choice for mission-critical operations. The D3899924MJ24HN is the preferred solution for rugged connectivity in severe operating conditions.