MIL-DTL-38999 Series II connectors are high-performance, environmentally sealed solutions for demanding applications. With up to 128 contacts in an insert, these connectors offer robust connectivity in extreme conditions, with an operating temperature range from -65°C to 200°C. Available in various mounting styles including front and rear wall mount, jam nut, and box mount, they provide flexibility for installation. Featuring gold-plated removable crimp contacts in sizes 16 and 20, these connectors ensure reliable conductivity. The aluminum shells come in different plating options such as electroless nickel, meeting diverse environmental requirements. Designed for military specifications, these connectors are ideal for aerospace, defense, and industrial applications where ruggedness and performance are essential.