MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are suitable for demanding applications. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. Featuring aluminum shells with options for plating finishes such as electroless nickel and cadmium olive drab, they ensure durability and reliability. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure connections. RoHS certified cadmium-free finishes are also available. Overall, MIL-DTL-38999 Series II connectors are ideal for military, aerospace, and industrial applications where rugged performance is essential.