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 YACT24JH55SDV00100
The D38999/24JH55SD is a MIL-DTL-38999 III (D38999) jam nut receptacle designed for use in harsh environments, featuring a composite shell with olive drab cadmium plating for enhanced durability. With 55 gold-plated socket contacts in a triple start threaded mating configuration, this connector ensures reliable signal transmission in aerospace and military applications. Rated for 7.5 A, 600 V AC, and 850 V DC, it offers high performance in extreme conditions, with an operating temperature range of -65 to 200 °C. Boasting a service class of J and RoHS compliance, the D38999 series connector guarantees quality and environmental responsibility, making it an ideal choice for hi-rel systems.