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 YACT24MD18AEV00100
The D38999/24MD18AE is a MIL-DTL-38999 III (D38999) jam nut receptacle, part of the DEUTSCH 38999 Series III Composite Connectors. With a rugged construction, it is designed for harsh environments, featuring a triple start threaded mating type for secure connections. This connector has 18 contacts, size 20(18), and is rated for 7.5A and 600V AC/850V DC. Operating temperature ranges from -65 to 200°C (-85 to 392°F), with a service rating of I (military M class). Constructed with a composite shell and electroless nickel plating, it offers excellent environmental resistance and conductivity. The shell size is 15 (D18 insert arrangement), with male contact gender and E keyway polarization. RoHS compliance is not applicable, and it has the part alias YACT24MD18AEV00100. This hi-rel connector is ideal for aerospace, defense, and other demanding applications.