The MIL-DTL-38999 Series II connectors are designed for rugged environments, with up to 128 contacts in an insert and operating temperatures ranging from -65°C to 200°C. These connectors are environmentally sealed and come in various mounting options, including front and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they use M39029 crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, ensuring secure connections. Constructed with aluminum shells and offering multiple plating options, such as cadmium and nickel, these connectors meet military specifications for reliability. Suitable for demanding applications, they provide conductivity and ingress protection, making them ideal for aerospace, defense, and industrial use.
