MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an insert, designed for harsh environments. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure secure installations. With a wide operating temperature range of -65°C to 200°C, they are suitable for diverse applications. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for reliable connections. Constructed with aluminum shells and offering plating options like cadmium and nickel, they guarantee durability. RoHS compliant finishes are also available. Ideal for military and industrial use, these connectors provide efficient and long-lasting electrical connections.