MIL-DTL-38999 Series II connectors feature up to 128 contacts within an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they offer front and rear wall mount, jam nut, and box mount receptacles. These connectors, compliant with military specification MIL-DTL-38999 II, ensure reliable connectivity with Removable Crimp Contacts featuring gold plating. Constructed with aluminum shells and offered in different finishes including Electroless Nickel, they provide durability and conductivity. Suitable for demanding applications, these Circular Connectors are vital components in aerospace, military, and industrial systems.