MIL-DTL-38999 Series I connectors offer rugged durability and high performance in harsh environments. With up to 128 contacts in a secure insert, these connectors are ideal for demanding applications. Featuring front wall mount, rear wall mount, and jam nut receptacles, they provide versatile installation options. The connectors are environmentally sealed and can withstand temperatures ranging from -65 °C to 200 °C, ensuring reliable operation in extreme conditions. Utilizing M39029 rear release crimp contacts, they guarantee secure and efficient connectivity. Available in nine shell sizes and 52 insert arrangements, with various plating options such as gold, electroless nickel, and cadmium-free finishes, these connectors offer flexibility for diverse needs. The high-strength aluminum shells provide robust protection, while their bayonet coupling and N keyway polarization ensure easy and secure mating. Meeting MIL-DTL-38999 I military specifications, these connectors are suitable for critical applications that demand superior performance and reliability.