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 YACT24JJ35ANV00100
The MIL-DTL-38999 III (D38999) harsh environment connectors, also known as DEUTSCH 38999 Series III Composite Connectors, offer reliable performance in demanding conditions. This particular model, with the SKU D38999/24JJ35AN, features a jam nut receptacle design for secure mounting. With 128 contacts arranged in a Size 22D(128) configuration, these connectors can handle up to 5A of current at voltages up to 400V AC, 550V DC, or 1300Vrms. Constructed with a composite shell and cadmium olive drab plating, they ensure durability and conductivity in a wide temperature range from -65°C to 200°C (-85°F to 392°F). Approved for military use, these connectors are ideal for aerospace, defense, and other high-reliability applications.