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 YACT24MH55HNV00100
The D38999/24MH55HN is a high-performance MIL-DTL-38999 III (D38999) jam nut receptacle, designed for use in harsh environmental conditions. Featuring a rugged composite shell and electroless nickel shell plating, this connector offers excellent durability and corrosion resistance. With 55 gold-plated contacts in a triple start threaded pin configuration, it ensures secure and reliable connections in high vibration applications. Rated for 7.5 A, 600 V AC, and operating temperatures ranging from -65°C to 200°C, this connector is suitable for a wide range of military and aerospace systems. Its 1500-cycle contact mating life and M service rating guarantee long-term performance in demanding environments. RoHS non-compliant.