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 YACT24JG41HAV00100
The MIL-DTL-38999 III (D38999) harsh environment connector, designated as SKU D38999/24JG41HA, is a rugged and reliable circular receptacle featuring 41 gold-plated contacts for superior conductivity. With a voltage rating of 600 V AC, 850 V DC, and 1800 Vrms, this connector is suitable for demanding applications. Its composite shell construction, with a cadmium olive drab finish, offers excellent environmental resistance, making it ideal for use in aerospace and military systems. Operating in temperatures ranging from -65 to 200 °C (-85 to 392 °F), and with a mating life of 1500 cycles, this connector ensures long-term performance in harsh conditions. The jam nut mounting style and triple start threaded mating type provide secure and reliable connections, meeting the stringent requirements of service class J. RoHS compliance and Boeing BACC approval further underscore its quality and reliability, making it a top choice for high-reliability applications.