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 YACT24JH55BBV00100
The D38999/24JH55BB is a MIL-DTL-38999 III (D38999) jam nut receptacle, part of the DEUTSCH 38999 Series III Composite Connectors. Designed for harsh environments, this connector features 55 contacts with a current rating of 7.5 A. With a voltage rating of 600 V AC, 850 V DC, and 1800 Vrms, it offers reliable power and signal transmission. The composite shell with cadmium olive drab plating ensures conductivity and environmental resistance, suitable for Service Class J applications. Operating in temperatures ranging from -65 to 200 °C (-85 to 392 °F), this connector is ideal for aerospace, military, and industrial use. RoHS compliance status is not specified for this particular variant.