MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in a robust insert. Designed for harsh environments, these connectors are environmentally sealed and can operate in temperatures ranging from -65°C to 200°C. Featuring front and rear wall mount options, as well as jam nut receptacles, they provide versatile installation capabilities. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. With 9 shell sizes and 52 insert arrangements available, they offer flexibility for various applications. Constructed with high-strength aluminum shells and offered in different plating options, including RoHS certified cadmium-free finishes, these connectors meet stringent military specifications. Ideal for demanding scenarios, they guarantee durability and performance in critical operations.