The MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts, designed for harsh environments. Featuring a wide operating temperature range of -65°C to 200°C, these connectors are ideal for demanding applications. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. With options for straight, RFI grounding, and standard plugs, along with multiple shell sizes and insert arrangements, they offer flexibility in design. Constructed with aluminum shells and offering various plating options including cadmium-free finishes, these connectors ensure durability and reliability. The use of M39029 rear release crimp contacts further enhances their performance. Meeting MIL-DTL-38999 II specifications, these connectors are suited for military and aerospace applications where ruggedness is crucial.