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 YACT24MB99HCV00100
The D38999/24MB99HC is a high-performance MIL-DTL-38999 III (D38999) jam nut receptacle, designed for harsh environment applications. Featuring a rugged composite shell construction and electroless nickel shell plating, this connector offers exceptional durability and corrosion resistance. With 7 gold-plated contacts (size 20) rated for 7.5 A, it ensures reliable power and signal transmission in extreme conditions. Engineered for military and aerospace use, it meets stringent performance standards, including a wide operating temperature range of -65 to 200 °C. Its triple start threaded mating type guarantees secure and robust connections, with a mating life of 1500 cycles. Suitable for mission-critical systems, this connector is RoHS-compliant and offers enhanced environmental protection. The perfect choice for demanding applications, the D38999/24MB99HC delivers uncompromising reliability in the harshest of environments.