MIL-DTL-38999 Series II connectors offer reliable connectivity in harsh environments, with up to 128 contacts sealed within the insert. Operating in extreme temperatures ranging from -65°C to 200°C, these connectors come in various configurations including front and rear wall mounts, jam nuts, and box mounts. Featuring thin-walled construction and restricted length, they ensure space efficiency while providing robust performance. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts, offering versatility in applications. Crafted from aluminum, they come with plating options such as cadmium and electroless nickel, meeting diverse industrial requirements. With RoHS compliant finishes, they guarantee environmental safety. Suitable for military and industrial use, these connectors, with their gold-plated contacts and conductive properties, ensure high performance and durability, making them ideal for demanding applications.