MIL-DTL-38999 Series II connectors offer robust performance in harsh environments with up to 128 contacts, sealed for environmental protection. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they ensure secure connections. Available in 9 shell sizes and 52 insert arrangements with gold-plated removable crimp contacts, these connectors guarantee reliable conductivity. With a wide range of plating options like electroless nickel and cadmium olive drab, they meet diverse application needs. Designed for military specifications, these connectors are ideal for demanding applications requiring durability and performance under extreme conditions.