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 YACT24MA98ABV00100
The D38999/24MA98AB is a MIL-DTL-38999 III (D38999) jam nut receptacle, designed for harsh environment applications. This rugged connector features a composite shell construction and is rated for operating temperatures ranging from -65 to 200°C (-85 to 392°F). With a voltage rating of 600V AC, 850V DC, and 1800Vrms, it offers reliable performance in demanding conditions. The receptacle accommodates 3 size 20(3) contacts (supplied separately) and features a triple start threaded mating interface for secure connections. Electroless nickel shell plating ensures corrosion resistance, making it suitable for a wide range of military and aerospace applications. RoHS compliance status is not specified for this particular variant.