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 YACT24MF11AEV00100
The MIL-DTL-38999 III (D38999) harsh environment connectors, also known as the DEUTSCH 38999 Series III Composite Connectors, are meticulously engineered for rugged applications. This specific model, with the part number D38999/24MF11AE, features a jam nut receptacle design, offering secure and reliable connectivity in challenging environments. With 11 contacts, each capable of carrying up to 13 A of current at voltages of 1250 V DC, 2300 Vrms, or 900 V AC, these connectors are suited for high-power applications. Constructed from a composite shell material and featuring electrodeposited nickel plating, they ensure durability and reliable performance even in extreme temperatures ranging from -65 to 200 °C (-85 to 392 °F). The E-keyway polarization and triple start threaded mating type further enhance their suitability for demanding scenarios, making them a preferred choice for military, aerospace, and other high-reliability applications.