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 YACT24JH21AEV00100
The MIL-DTL-38999 III (D38999) harsh environment connectors, designated as SKU D38999/24JH21AE, are essential components for ruggedized electronic systems. Featuring a jam nut receptacle design, these connectors ensure secure and reliable connections in demanding applications. With 21 contacts housed in a size 23 shell, each contact rated for 7.5 A of current at voltages up to 1250 V DC, 2300 Vrms, or 900 V AC, these connectors offer robust power and signal transmission capabilities. Constructed from a composite shell material and plated with conductive cadmium olive drab, they provide excellent durability and environmental resistance, suitable for service in military, aerospace, and other high-reliability settings. RoHS non-compliant. Also known as YACT24JH21AEV00100.