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 YACT24MJ29ABV00100
The D38999/24MJ29AB is a high-performance MIL-DTL-38999 III (D38999) connector featuring a jam nut receptacle design. With 29 contacts in a shell size 25, this connector is rated for 13 A, 600 V AC, and 850 V DC, making it ideal for demanding military and aerospace applications. Constructed with a composite shell and electroless nickel plating, it offers exceptional durability and environmental resistance, with an operating temperature range of -65 to 200 °C. Mating is easy with its triple start threaded configuration, while its male contact gender and conductive conductivity ensure reliable signal transmission. This connector, also known as YACT24MJ29ABV00100, is RoHS non-compliant but meets high-reliability standards, making it a top choice for mission-critical systems.