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 YACT24MH53JEV00100
The D38999/24MH53JE is a high-performance MIL-DTL-38999 III (D38999) connector, featuring a jam nut receptacle design for secure mounting in harsh environments. With 53 gold-plated socket contacts, it offers reliable conductivity for power and signal transmission, rated for up to 7.5 A and 600 V AC. Constructed with a composite shell and electroless nickel plating, this connector ensures durability and corrosion resistance, suitable for a wide operating temperature range from -65 to 200 °C. Its Triple Start Threaded mating type guarantees a secure connection, with a service rating of I for demanding applications. RoHS compliance and hi-rel certification make it ideal for aerospace, defense, and industrial systems in need of rugged and reliable circular connectors.