MIL-DTL-38999 Series II connectors offer robust performance with up to 128 contacts in an environmentally sealed insert. Operating seamlessly in extreme conditions, they withstand temperatures ranging from -65 °C to 200 °C. These connectors, featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, cater to diverse installation needs. Available in aluminum shells with a selection of plating options, including RoHS certified cadmium-free finishes, they ensure durability and reliability. Utilizing M39029 rear release crimp contacts, these connectors come in 9 shell sizes and 52 insert arrangements, providing versatility for different applications. Suitable for military and industrial use, they guarantee secure and efficient electrical connections.