MIL-DTL-38999 Series II connectors boast up to 128 contacts within an insert, ensuring robust connectivity in harsh environments. Designed for durability, these connectors are environmentally sealed and can operate flawlessly in temperatures ranging from -65 °C to 200 °C. Featuring various mounting options such as front wall mount, rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. Available in nine shell sizes and 52 insert arrangements, with M39029 rear release crimp contacts, they cater to diverse application needs. Constructed with aluminum shells and offering multiple plating options including cadmium and nickel, these connectors guarantee reliable performance. RoHS certified finishes are also available, making them environmentally friendly. With a focus on military specifications and stringent quality standards, MIL-DTL-38999 Series II connectors are the ideal choice for demanding applications in the field.