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 YACT24MD18HEV00100
The D38999/24MD18HE is a MIL-DTL-38999 III (D38999) jam nut receptacle featuring a rugged design for harsh environment applications. With 18 gold-plated contacts, it offers high conductivity and is rated for 7.5A, 600V AC, and 850V DC. The composite shell construction, with Electroless Nickel finish coating, ensures durability in a wide temperature range from -65°C to 200°C (-85°F to 392°F). Designed for reliable performance, this connector is I service rated and has a mating type of triple start threaded for secure connections. With a shell size of 15 and contact size 20(18), it is suitable for demanding military and aerospace systems, with a service class of M. The D3899924MD18HEV00100 is a dependable solution for high-reliability applications.