MIL-DTL-38999 Series II connectors offer robust performance with up to 128 contacts in an environmentally sealed 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 connectivity. Constructed with aluminum shells and offering plating options like gold and electroless nickel, they ensure durability and conductivity. With a wide operating temperature range of -65 °C to 200 °C, these connectors are suitable for demanding applications. Meeting MIL-DTL-38999 II specifications, they are ideal for military and industrial use, providing a secure and efficient connection solution.