MIL-DTL-38999 Series II connectors are designed for rugged environments, offering up to 128 contacts in a single insert. With environmental sealing and a wide operating temperature range from -65 °C to 200 °C, these connectors ensure reliable performance in harsh conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse application needs. Featuring 52 insert arrangements with M39029 rear release crimp contacts, these connectors guarantee secure and efficient connections. Constructed with aluminum shells and offering plating options like electroless nickel and cadmium finishes, they provide durability and corrosion resistance. RoHS compliant variants are also available, making them environmentally friendly choices. Suitable for military and industrial use, MIL-DTL-38999 Series II connectors are ideal for demanding applications that require high-performance connectivity.