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 YACT24MJ43JEV00100
The MIL-DTL-38999 III (D38999) harsh environment connectors, featuring a jam nut receptacle design, are essential for reliable circular connectivity in demanding applications. With 43 gold-plated socket contacts housed in a rugged composite shell, these connectors ensure high-performance signal and power transmission. Engineered to withstand extreme conditions, they boast a wide operating temperature range from -65 to 200 °C and offer excellent environmental resistance. Rated for 13 A, 600 V AC, and 850 V DC, with a 1800 Vrms dielectric strength, they guarantee safe and efficient operation. With a triple start threaded mating type and a keyway polarization of E, they provide secure and foolproof connections. Suitable for military, aerospace, and industrial use, these high-reliability connectors meet stringent MIL-DTL-38999 III standards.