MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts, sealed for environmental protection and designed for harsh environments. Featuring various mounting options like front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse application needs. Available in 9 shell sizes and 52 insert arrangements, these connectors use M39029 rear release crimp contacts for reliable performance. Crafted from aluminum with plating options including electroless nickel and cadmium finishes, they ensure durability and conductivity. With a wide operating temperature range from -65°C to 200°C, these connectors are ideal for military and industrial applications requiring secure and efficient electrical connections.