MIL-DTL-38999 Series I connectors are ruggedly designed with up to 128 contacts in an insert, offering reliable performance in harsh environments. Featuring front wall mount, rear wall mount, and jam nut receptacles, they ensure secure connections. These connectors, compliant with military specifications, operate effectively in temperatures ranging from -65°C to 200°C. Constructed with high-strength aluminum shells and available in various plating options, including RoHS-certified finishes, they guarantee durability and environmental resistance. Utilizing M39029 rear release crimp contacts, these connectors come in 9 shell sizes and 52 insert arrangements, catering to diverse application needs. Suitable for demanding military and aerospace applications, the MIL-DTL-38999 Series I connectors provide efficient and long-lasting connectivity solutions.