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 YACT24MD18SAV00100
The D38999/24MD18SA is a high-performance MIL-DTL-38999 III (D38999) jam nut receptacle, designed for harsh environmental conditions. Featuring a durable composite shell with Electroless Nickel plating, this connector offers superior protection and longevity. With 18 gold-plated socket contacts (size 20), it ensures reliable conductivity in demanding applications. Rated for up to 600V AC/850V DC, and with a wide operating temperature range of -65 to 200°C (-85 to 392°F), it is suitable for military, aerospace, and industrial use. Its triple start threaded mating type guarantees secure connections, while its compact shell size 15 (D18 insert arrangement) accommodates space-restricted installations. With a service rating of I (500 mating cycles) and environmental resistance, this connector is a dependable choice for mission-critical systems.