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 YACT24MD19BEV00100
The D38999/24MD19BE is a MIL-DTL-38999 III (D38999) jam nut receptacle, featuring a rugged design for harsh environment applications. With 19 contacts in a size 20(19) arrangement, this connector offers reliable performance in demanding conditions. Constructed with a composite shell and electroless nickel plating, it ensures durability and conductivity. Rated for 7.5A, 600V AC, and 850V DC, with a wide operating temperature range from -65°C to 200°C, it is suitable for military and aerospace use. The triple start threaded mating type and keyway polarization provide secure connections, while the environmentally resistant design meets service class M requirements. RoHS non-compliant. Also known as YACT24MD19BEV00100. This high-reliability connector is ideal for mission-critical systems in aerospace, defense, and other industries.