The MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an insert, suitable for harsh environments. Featuring a wide operating temperature range of -65 °C to 200 °C, these connectors are fully sealed for reliable performance. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors ensure secure and efficient connections. The aluminum shells with plating options such as electroless nickel and cadmium finishes guarantee durability and corrosion resistance. Designed to meet military specifications, these connectors are ideal for demanding applications that require rugged and dependable connectivity.