MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts housed in a rugged insert. Designed for harsh environments, these connectors feature various mounting options such as front and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for reliable connections. With an operating temperature range of -65°C to 200°C, these connectors are ideal for demanding applications. Made of aluminum, they come in different plating options including cadmium and nickel for enhanced durability. RoHS compliant finishes are also available, ensuring environmental responsibility. Suitable for military and industrial use, these connectors provide secure and efficient electrical connectivity in challenging conditions.