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 YACT24MD19HNV00100
The D38999/24MD19HN is a high-performance MIL-DTL-38999 III (D38999) jam nut receptacle, designed for use in harsh environments. Featuring a durable composite shell and gold-plated contacts, this connector offers reliable conductivity and protection against corrosion. With 19 male pins in a size 20(19) insert arrangement, it is rated for 7.5A, 600V AC, and 850V DC. Its triple start threaded mating type ensures secure connections, while its wide operating temperature range of -65 to 200 °C (-85 to 392 °F) and environmental resistance make it suitable for a variety of applications in military, aerospace, and industrial settings. RoHS-compliant and hi-rel certified, the D38999/24MD19HN guarantees performance and durability in demanding conditions.