MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, they boast a wide operating temperature range from -65 °C to 200 °C. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure versatile installation. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for reliable performance. Crafted with aluminum shells and plated with options like electroless nickel, these connectors guarantee durability. With RoHS certified cadmium-free finishes, they meet stringent environmental regulations. Ideal for military and industrial applications, the MIL-DTL-38999 Series II connectors provide secure and efficient electrical connections.