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 YACT24MJ35ABV00100
The D38999/24MJ35AB is a MIL-DTL-38999 III (D38999) jam nut receptacle, part of the DEUTSCH 38999 Series III Composite Connectors. Designed for harsh environments, this circular receptacle features 128 contacts in a size 22D(128), with a maximum operating temperature of 200 °C and a voltage rating of 400 V AC, 550 V DC. Constructed from a composite shell with electroless nickel plating, it offers excellent conductivity and environmental resistance. This connector, with a triple start threaded mating type and M service rating, is ideal for high-reliability applications in aerospace, military, and industrial settings.